{"id":20,"date":"2026-09-17T00:11:20","date_gmt":"2026-09-16T16:11:20","guid":{"rendered":"https:\/\/hanwangyijia.com\/yj-k308-rapid-repair-mortar-admixture\/"},"modified":"2026-09-17T14:40:04","modified_gmt":"2026-09-17T06:40:04","slug":"yj-k308-rapid-repair-mortar-admixture","status":"publish","type":"page","link":"https:\/\/hanwangyijia.com\/zh\/yj-k308-rapid-repair-mortar-admixture\/","title":{"rendered":"YJ-K308 Rapid Repair Mortar Admixture"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"20\" class=\"elementor elementor-20\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1215f9a e-con-full e-flex e-con e-parent\" data-id=\"1215f9a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-120c163 elementor-widget elementor-widget-html\" data-id=\"120c163\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"yj-root\"><style>\n\/* Hanwang Yijia New Materials \u2014 industrial site mockup\n   Design tokens mirror what will become Elementor global styles. *\/\n\n:root {\n  --blue-900: #062a52;\n  --blue-800: #073b77;\n  --blue-700: #0b4f9e;\n  --blue-600: #1466c2;\n  --blue-50: #eef4fb;\n  --orange: #f07c14;\n  --orange-dark: #d3650a;\n  --ink: #0f1720;\n  --ink-2: #33445a;\n  --muted: #64748b;\n  --line: #dfe6ee;\n  --bg: #ffffff;\n  --bg-soft: #f5f8fb;\n  --radius: 6px;\n  --shadow: 0 1px 2px rgba(15, 23, 32, .06), 0 8px 24px rgba(15, 23, 32, .06);\n  --container: 1200px;\n  --font: \"Inter\", \"Segoe UI\", -apple-system, BlinkMacSystemFont, \"Helvetica Neue\", Arial, \"Microsoft YaHei\", sans-serif;\n}\n\n.yj-root * { box-sizing: border-box; }\n\nhtml { scroll-behavior: smooth; }\n\n.yj-root {\n  margin: 0;\n  font-family: var(--font);\n  font-size: 16px;\n  line-height: 1.65;\n  color: var(--ink-2);\n  background: var(--bg);\n  -webkit-font-smoothing: antialiased;\n}\n\n.yj-root h1, .yj-root h2, .yj-root h3, .yj-root h4 { color: var(--ink); line-height: 1.25; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.01em; }\n.yj-root h1 { font-size: clamp(2rem, 4vw, 3.1rem); }\n.yj-root h2 { font-size: clamp(1.55rem, 2.6vw, 2.25rem); }\n.yj-root h3 { font-size: 1.2rem; }\n.yj-root p { margin: 0 0 1rem; }\n.yj-root a { color: var(--blue-700); text-decoration: none; }\n.yj-root a:hover { color: var(--blue-600); }\n.yj-root img { max-width: 100%; display: block; }\n.yj-root ul { margin: 0 0 1rem; padding-left: 1.15rem; }\n.yj-root li { margin-bottom: .4rem; }\n\n.yj-root .container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }\n.yj-root .section { padding: 84px 0; }\n.yj-root .section--soft { background: var(--bg-soft); }\n.yj-root .section--tight { padding: 56px 0; }\n\n.yj-root .eyebrow {\n  display: inline-block;\n  font-size: .78rem;\n  font-weight: 700;\n  letter-spacing: .12em;\n  text-transform: uppercase;\n  color: var(--blue-700);\n  margin-bottom: .75rem;\n}\n.yj-root .section-head { max-width: 760px; margin-bottom: 48px; }\n.yj-root .section-head--center { margin-left: auto; margin-right: auto; text-align: center; }\n.yj-root .section-head p { font-size: 1.06rem; color: var(--muted); margin-bottom: 0; }\n.yj-root .lead { font-size: 1.12rem; color: var(--ink-2); }\n\n.yj-root \/* ---------- buttons ---------- *\/\n.btn {\n  display: inline-flex;\n  align-items: center;\n  gap: .5rem;\n  padding: .8rem 1.5rem;\n  border-radius: var(--radius);\n  font-weight: 600;\n  font-size: .95rem;\n  border: 1px solid transparent;\n  cursor: pointer;\n  transition: background .15s ease, color .15s ease, border-color .15s ease;\n}\n.yj-root .btn--primary { background: var(--orange); color: #fff; }\n.yj-root .btn--primary:hover { background: var(--orange-dark); color: #fff; }\n.yj-root .btn--blue { background: var(--blue-700); color: #fff; }\n.yj-root .btn--blue:hover { background: var(--blue-800); color: #fff; }\n.yj-root .btn--ghost { border-color: rgba(255, 255, 255, .45); color: #fff; }\n.yj-root .btn--ghost:hover { background: rgba(255, 255, 255, .12); color: #fff; }\n.yj-root .btn--outline { border-color: var(--line); color: var(--ink); background: #fff; }\n.yj-root .btn--outline:hover { border-color: var(--blue-700); color: var(--blue-700); }\n.yj-root .btn--sm { padding: .6rem 1.1rem; font-size: .88rem; }\n.yj-root .btn--block { width: 100%; justify-content: center; }\n\n.yj-root \/* ---------- header ---------- *\/\n.topbar {\n  background: var(--blue-900);\n  color: rgba(255, 255, 255, .75);\n  font-size: .82rem;\n}\n.yj-root .topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 40px; }\n.yj-root .topbar-facts { display: flex; gap: 22px; flex-wrap: wrap; }\n.yj-root .topbar a { color: rgba(255, 255, 255, .75); }\n.yj-root .topbar a:hover { color: #fff; }\n\n.yj-root .lang {\n  position: relative;\n  display: flex;\n  align-items: center;\n  gap: .4rem;\n  cursor: pointer;\n  padding: 4px 0;\n  white-space: nowrap;\n}\n.yj-root .lang-menu {\n  position: absolute;\n  top: 100%;\n  right: 0;\n  min-width: 190px;\n  background: #fff;\n  border: 1px solid var(--line);\n  border-radius: var(--radius);\n  box-shadow: var(--shadow);\n  padding: 6px;\n  display: none;\n  z-index: 60;\n}\n.yj-root .lang:hover .lang-menu, .yj-root .lang:focus-within .lang-menu { display: block; }\n.yj-root .lang-menu a {\n  display: block;\n  padding: .45rem .7rem;\n  font-size: .88rem;\n  color: var(--ink-2);\n  border-radius: 4px;\n}\n.yj-root .lang-menu a:hover { background: var(--blue-50); color: var(--blue-700); }\n.yj-root .lang-menu a[aria-current=\"true\"] { font-weight: 700; color: var(--blue-700); }\n\n.yj-root .site-header {\n  position: sticky;\n  top: 0;\n  z-index: 50;\n  background: #fff;\n  border-bottom: 1px solid var(--line);\n}\n.yj-root .site-header .container { display: flex; align-items: center; gap: 32px; min-height: 76px; }\n.yj-root .brand { display: flex; align-items: center; gap: 12px; }\n.yj-root .brand-mark {\n  width: 42px;\n  height: 42px;\n  border-radius: 4px;\n  background: linear-gradient(135deg, var(--blue-700), var(--blue-900));\n  color: #fff;\n  display: grid;\n  place-items: center;\n  font-weight: 800;\n  font-size: 1rem;\n  letter-spacing: .02em;\n}\n.yj-root .brand-text strong { display: block; color: var(--ink); font-size: 1.02rem; line-height: 1.2; }\n.yj-root .brand-text span { font-size: .74rem; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }\n\n.yj-root .nav { margin-left: auto; }\n.yj-root .nav ul { display: flex; gap: 30px; list-style: none; margin: 0; padding: 0; }\n.yj-root .nav a { color: var(--ink); font-weight: 500; font-size: .95rem; padding: 8px 0; border-bottom: 2px solid transparent; }\n.yj-root .nav a:hover, .yj-root .nav a.is-active { color: var(--blue-700); border-bottom-color: var(--orange); }\n.yj-root .header-cta { display: flex; align-items: center; gap: 12px; }\n.yj-root .nav-toggle { display: none; }\n\n.yj-root \/* ---------- hero ---------- *\/\n.hero {\n  position: relative;\n  background: linear-gradient(115deg, var(--blue-900) 0%, var(--blue-800) 55%, var(--blue-700) 100%);\n  color: #fff;\n  overflow: hidden;\n}\n.yj-root .hero::after {\n  content: \"\";\n  position: absolute;\n  inset: 0;\n  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),\n                    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);\n  background-size: 64px 64px;\n  pointer-events: none;\n}\n.yj-root .hero .container { position: relative; z-index: 2; }\n.yj-root .hero-grid {\n  display: grid;\n  grid-template-columns: 1.15fr .85fr;\n  gap: 56px;\n  align-items: center;\n  padding: 86px 0 76px;\n}\n.yj-root .hero h1 { color: #fff; margin-bottom: 1rem; }\n.yj-root .hero .lead { color: rgba(255, 255, 255, .82); font-size: 1.14rem; max-width: 56ch; }\n.yj-root .hero-tag {\n  display: inline-flex;\n  align-items: center;\n  gap: .5rem;\n  background: rgba(240, 124, 20, .16);\n  border: 1px solid rgba(240, 124, 20, .5);\n  color: #ffc48a;\n  font-size: .8rem;\n  font-weight: 600;\n  letter-spacing: .08em;\n  text-transform: uppercase;\n  padding: .35rem .8rem;\n  border-radius: 100px;\n  margin-bottom: 1.4rem;\n}\n.yj-root .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 2rem; }\n.yj-root .hero-note { margin-top: 1.4rem; font-size: .88rem; color: rgba(255, 255, 255, .6); }\n\n.yj-root .stats {\n  border-top: 1px solid rgba(255, 255, 255, .16);\n  display: grid;\n  grid-template-columns: repeat(4, 1fr);\n}\n.yj-root .stat { padding: 26px 0; }\n.yj-root .stat + .stat { border-left: 1px solid rgba(255, 255, 255, .16); padding-left: 26px; }\n.yj-root .stat b { display: block; font-size: 1.75rem; color: #fff; line-height: 1.1; font-weight: 700; }\n.yj-root .stat span { font-size: .84rem; color: rgba(255, 255, 255, .66); }\n\n.yj-root \/* ---------- placeholder media ---------- *\/\n.ph {\n  position: relative;\n  background: repeating-linear-gradient(45deg, #e8eef5, #e8eef5 12px, #dfe7f0 12px, #dfe7f0 24px);\n  border: 1px dashed #b8c6d6;\n  border-radius: var(--radius);\n  display: grid;\n  place-items: center;\n  text-align: center;\n  color: #6b7f95;\n  font-size: .82rem;\n  font-weight: 600;\n  letter-spacing: .04em;\n  padding: 16px;\n  min-height: 200px;\n}\n.yj-root .ph--hero { min-height: 360px; background: rgba(255, 255, 255, .07); border-color: rgba(255, 255, 255, .3); color: rgba(255, 255, 255, .72); }\n.yj-root .ph--sm { min-height: 150px; }\n.yj-root .ph--tall { min-height: 420px; }\n.yj-root .ph small { display: block; font-weight: 400; opacity: .8; margin-top: 4px; letter-spacing: 0; }\n\n.yj-root \/* ---------- generic grids \/ cards ---------- *\/\n.grid { display: grid; gap: 24px; }\n.yj-root .grid--2 { grid-template-columns: repeat(2, 1fr); }\n.yj-root .grid--3 { grid-template-columns: repeat(3, 1fr); }\n.yj-root .grid--4 { grid-template-columns: repeat(4, 1fr); }\n\n.yj-root .card {\n  background: #fff;\n  border: 1px solid var(--line);\n  border-radius: var(--radius);\n  padding: 28px;\n  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;\n}\n.yj-root .card:hover { border-color: #bfd2e6; box-shadow: var(--shadow); transform: translateY(-2px); }\n.yj-root .card h3 { margin-bottom: .4rem; }\n.yj-root .card p { color: var(--muted); font-size: .94rem; margin-bottom: 0; }\n.yj-root .card-icon {\n  width: 46px;\n  height: 46px;\n  border-radius: 4px;\n  background: var(--blue-50);\n  color: var(--blue-700);\n  display: grid;\n  place-items: center;\n  margin-bottom: 18px;\n}\n.yj-root .card-icon svg { width: 24px; height: 24px; }\n.yj-root .card-link { display: inline-block; margin-top: 16px; font-size: .9rem; font-weight: 600; }\n\n.yj-root \/* product cards *\/\n.product-card {\n  background: #fff;\n  border: 1px solid var(--line);\n  border-radius: var(--radius);\n  overflow: hidden;\n  display: flex;\n  flex-direction: column;\n}\n.yj-root .product-card:hover { box-shadow: var(--shadow); border-color: #bfd2e6; }\n.yj-root .product-card .ph { border: 0; border-radius: 0; border-bottom: 1px solid var(--line); min-height: 210px; }\n.yj-root .product-card-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }\n.yj-root .product-model {\n  font-size: .78rem;\n  font-weight: 700;\n  letter-spacing: .1em;\n  color: var(--orange);\n  text-transform: uppercase;\n}\n.yj-root .product-card h3 { margin: .3rem 0 .6rem; font-size: 1.28rem; }\n.yj-root .product-card p { color: var(--muted); font-size: .94rem; }\n.yj-root .spec-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 20px; }\n.yj-root .chip {\n  background: var(--blue-50);\n  color: var(--blue-800);\n  font-size: .78rem;\n  font-weight: 600;\n  padding: .3rem .6rem;\n  border-radius: 100px;\n}\n.yj-root .product-card .btn { margin-top: auto; align-self: flex-start; }\n\n.yj-root \/* applications *\/\n.app-card {\n  position: relative;\n  border-radius: var(--radius);\n  overflow: hidden;\n  border: 1px solid var(--line);\n  background: #fff;\n}\n.yj-root .app-card .ph { border: 0; border-radius: 0; min-height: 172px; }\n.yj-root .app-card-body { padding: 20px 22px 24px; }\n.yj-root .app-card h3 { font-size: 1.06rem; margin-bottom: .3rem; }\n.yj-root .app-card p { font-size: .9rem; color: var(--muted); margin: 0; }\n\n.yj-root \/* advantages *\/\n.adv { display: flex; gap: 16px; }\n.yj-root .adv-num {\n  flex: 0 0 auto;\n  width: 34px;\n  height: 34px;\n  border-radius: 50%;\n  background: var(--blue-700);\n  color: #fff;\n  font-size: .85rem;\n  font-weight: 700;\n  display: grid;\n  place-items: center;\n}\n.yj-root .adv h3 { font-size: 1.04rem; margin-bottom: .25rem; }\n.yj-root .adv p { font-size: .93rem; color: var(--muted); margin: 0; }\n\n.yj-root \/* ---------- data table ---------- *\/\n.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }\n.yj-root table.data { width: 100%; border-collapse: collapse; font-size: .94rem; min-width: 520px; }\n.yj-root table.data thead th {\n  background: var(--blue-900);\n  color: #fff;\n  text-align: left;\n  font-size: .8rem;\n  font-weight: 600;\n  letter-spacing: .06em;\n  text-transform: uppercase;\n  padding: 14px 18px;\n  white-space: nowrap;\n}\n.yj-root table.data td, .yj-root table.data tbody th {\n  padding: 13px 18px;\n  border-top: 1px solid var(--line);\n  text-align: left;\n  font-weight: 400;\n  color: var(--ink-2);\n  vertical-align: top;\n}\n.yj-root table.data tbody th { font-weight: 600; color: var(--ink); }\n.yj-root table.data tbody tr:nth-child(even) { background: #fafcfe; }\n.yj-root table.data .pass { color: #0f7a3d; font-weight: 600; }\n.yj-root .table-note { font-size: .84rem; color: var(--muted); margin-top: 12px; }\n\n.yj-root \/* ---------- process steps ---------- *\/\n.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }\n.yj-root .step { position: relative; padding-top: 26px; border-top: 3px solid var(--line); }\n.yj-root .step::before {\n  counter-increment: step;\n  content: \"0\" counter(step);\n  position: absolute;\n  top: -3px;\n  left: 0;\n  transform: translateY(-100%);\n  padding-bottom: 8px;\n  font-size: .82rem;\n  font-weight: 700;\n  color: var(--orange);\n  letter-spacing: .1em;\n}\n.yj-root .step h3 { font-size: 1.02rem; margin-bottom: .3rem; }\n.yj-root .step p { font-size: .92rem; color: var(--muted); margin: 0; }\n\n.yj-root \/* ---------- split blocks ---------- *\/\n.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }\n.yj-root .split--wide-left { grid-template-columns: 1.1fr .9fr; }\n.yj-root .checklist { list-style: none; padding: 0; margin: 0; }\n.yj-root .checklist li { position: relative; padding-left: 30px; margin-bottom: .8rem; color: var(--ink-2); }\n.yj-root .checklist li::before {\n  content: \"\";\n  position: absolute;\n  left: 0;\n  top: .45em;\n  width: 16px;\n  height: 16px;\n  border-radius: 3px;\n  background: var(--blue-700);\n  clip-path: polygon(20% 52%, 40% 72%, 82% 24%, 92% 36%, 42% 90%, 8% 60%);\n}\n.yj-root .checklist strong { color: var(--ink); }\n\n.yj-root \/* ---------- CTA band ---------- *\/\n.cta-band { background: var(--blue-900); color: #fff; }\n.yj-root .cta-band h2 { color: #fff; }\n.yj-root .cta-band p { color: rgba(255, 255, 255, .78); margin-bottom: 0; }\n.yj-root .cta-band .split { align-items: center; }\n\n.yj-root \/* ---------- form ---------- *\/\n.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }\n.yj-root .form-card h3 { margin-bottom: .3rem; }\n.yj-root .form-card .form-sub { font-size: .9rem; color: var(--muted); margin-bottom: 22px; }\n.yj-root .field { margin-bottom: 16px; }\n.yj-root .field label { display: block; font-size: .85rem; font-weight: 600; color: var(--ink); margin-bottom: .35rem; }\n.yj-root .field input, .yj-root .field select, .yj-root .field textarea {\n  width: 100%;\n  padding: .7rem .85rem;\n  border: 1px solid var(--line);\n  border-radius: 4px;\n  font: inherit;\n  font-size: .94rem;\n  color: var(--ink);\n  background: #fff;\n}\n.yj-root .field input:focus, .yj-root .field select:focus, .yj-root .field textarea:focus {\n  outline: none;\n  border-color: var(--blue-600);\n  box-shadow: 0 0 0 3px rgba(20, 102, 194, .12);\n}\n.yj-root .field textarea { min-height: 96px; resize: vertical; }\n.yj-root .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }\n.yj-root .form-hint { font-size: .8rem; color: var(--muted); margin: 14px 0 0; }\n\n.yj-root \/* ---------- product detail ---------- *\/\n.crumbs { font-size: .85rem; color: var(--muted); padding: 18px 0; border-bottom: 1px solid var(--line); }\n.yj-root .crumbs a { color: var(--muted); }\n.yj-root .crumbs a:hover { color: var(--blue-700); }\n.yj-root .crumbs span { margin: 0 .5rem; opacity: .5; }\n\n.yj-root .pdp-hero { padding: 48px 0 56px; }\n.yj-root .pdp-hero .split { align-items: start; gap: 48px; }\n.yj-root .pdp-title { margin-bottom: .6rem; font-size: clamp(1.8rem, 3vw, 2.5rem); }\n.yj-root .pdp-badges { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 26px; }\n.yj-root .badge {\n  display: inline-flex;\n  align-items: center;\n  gap: .4rem;\n  border: 1px solid var(--line);\n  background: var(--bg-soft);\n  color: var(--ink);\n  font-size: .84rem;\n  font-weight: 600;\n  padding: .4rem .75rem;\n  border-radius: 4px;\n}\n.yj-root .badge b { color: var(--blue-700); }\n.yj-root .pdp-actions { display: flex; gap: 12px; flex-wrap: wrap; }\n.yj-root .gallery-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }\n.yj-root .gallery-thumbs .ph { min-height: 88px; font-size: .72rem; }\n\n.yj-root .pdp-body { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 56px; align-items: start; padding-bottom: 90px; }\n.yj-root .pdp-nav {\n  display: flex;\n  gap: 4px;\n  flex-wrap: wrap;\n  border-bottom: 1px solid var(--line);\n  margin-bottom: 40px;\n  position: sticky;\n  top: 76px;\n  background: #fff;\n  z-index: 20;\n  padding-top: 8px;\n}\n.yj-root .pdp-nav a {\n  padding: .7rem 1rem;\n  font-size: .9rem;\n  font-weight: 600;\n  color: var(--ink-2);\n  border-bottom: 2px solid transparent;\n}\n.yj-root .pdp-nav a:hover { color: var(--blue-700); border-bottom-color: var(--orange); }\n.yj-root .pdp-block { margin-bottom: 52px; scroll-margin-top: 150px; }\n.yj-root .pdp-block h2 { font-size: 1.5rem; }\n.yj-root .pdp-block > p:last-child { margin-bottom: 0; }\n.yj-root .callout {\n  border-left: 3px solid var(--orange);\n  background: #fff8f1;\n  padding: 18px 22px;\n  border-radius: 0 var(--radius) var(--radius) 0;\n  font-size: .95rem;\n}\n.yj-root .callout strong { color: var(--ink); }\n.yj-root .callout p:last-child { margin-bottom: 0; }\n\n.yj-root .sidebar { position: sticky; top: 100px; display: grid; gap: 20px; }\n.yj-root .side-box { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: #fff; }\n.yj-root .side-box h3 { font-size: 1rem; margin-bottom: 14px; }\n.yj-root .side-list { list-style: none; margin: 0; padding: 0; font-size: .9rem; }\n.yj-root .side-list li { display: flex; justify-content: space-between; gap: 12px; padding: .5rem 0; border-top: 1px solid var(--line); }\n.yj-root .side-list li:first-child { border-top: 0; }\n.yj-root .side-list span { color: var(--muted); }\n.yj-root .side-list b { color: var(--ink); text-align: right; }\n.yj-root .side-box--dark { background: var(--blue-900); border-color: var(--blue-900); color: rgba(255, 255, 255, .8); }\n.yj-root .side-box--dark h3 { color: #fff; }\n.yj-root .side-box--dark p { font-size: .9rem; margin-bottom: 16px; }\n\n.yj-root .faq { border-top: 1px solid var(--line); }\n.yj-root .faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }\n.yj-root .faq summary { cursor: pointer; font-weight: 600; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 16px; }\n.yj-root .faq summary::-webkit-details-marker { display: none; }\n.yj-root .faq summary::after { content: \"+\"; color: var(--blue-700); font-size: 1.3rem; line-height: 1; }\n.yj-root .faq details[open] summary::after { content: \"\\2013\"; }\n.yj-root .faq p { margin: 12px 0 0; font-size: .95rem; color: var(--muted); }\n\n.yj-root \/* ---------- footer ---------- *\/\n.site-footer { background: #071e39; color: rgba(255, 255, 255, .66); font-size: .92rem; padding: 66px 0 0; }\n.yj-root .site-footer h4 { color: #fff; 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}\n  .yj-root .header-cta .btn--primary { display: none; }\n  .yj-root .footer-grid { grid-template-columns: 1fr; gap: 28px; }\n  .yj-root .pdp-nav { position: static; }\n}\n\n\/* --- live site glue --- *\/\n#site-header, #site-footer, .site-header--menu-dropdown { display: none !important; }\n.site-main, .page-content, .entry-content { max-width: none !important; padding: 0 !important; margin: 0 !important; }\n.page-header, .entry-header { display: none !important; }\n.elementor-section-wrap > .elementor-element, .e-con { --padding-inline-start: 0; --padding-inline-end: 0; }\n.yj-root .elementor-widget-container { margin: 0; }\n.yj-root .split { display: grid !important; }\n.yj-root .grid { display: grid !important; }\n\/* Fluent Forms styled to match the mockup form card. Keyed on Elementor's own\n   widget classes because Elementor drops custom CSS classes on these elements. *\/\n.elementor-widget-shortcode { max-width: 760px; margin: 0 auto 90px; padding: 0 24px; }\n.elementor-widget-shortcode > .elementor-widget-container {\n  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);\n  padding: 30px; box-shadow: var(--shadow);\n}\n.fluentform { font-family: var(--font); }\n.fluentform .ff-el-group { margin-bottom: 16px; }\n.fluentform .ff-el-input--label label { font-size: .85rem; font-weight: 600; color: var(--ink); margin-bottom: .35rem; }\n.fluentform input[type=text], .fluentform input[type=email], .fluentform input[type=tel],\n.fluentform select, .fluentform textarea {\n  width: 100%; padding: .7rem .85rem; border: 1px solid var(--line); border-radius: 4px;\n  font-family: var(--font); font-size: .94rem; color: var(--ink); background: #fff; box-shadow: none;\n}\n.fluentform input:focus, .fluentform select:focus, .fluentform textarea:focus {\n  outline: none; border-color: var(--blue-600); box-shadow: 0 0 0 3px rgba(20, 102, 194, .12);\n}\n.fluentform .ff-btn-submit {\n  width: 100%; background: var(--orange); color: #fff; border: 0; border-radius: var(--radius);\n  padding: .85rem 1.5rem; font-family: var(--font); font-weight: 600; font-size: .95rem; cursor: pointer;\n}\n.fluentform .ff-btn-submit:hover { background: var(--orange-dark); }\n\/* inline language links in the top bar *\/\n.yj-root .lang-inline { display: flex; align-items: center; gap: 10px; font-size: .82rem; color: rgba(255,255,255,.72); }\n.yj-root .lang-inline svg { opacity: .8; }\n.yj-root .lang-inline .lang-current { color: #fff; font-weight: 600; }\n.yj-root .lang-inline a { color: rgba(255,255,255,.72); text-decoration: none; }\n.yj-root .lang-inline a:hover { color: #fff; }\n\/* TranslatePress floating switcher is redundant with the top-bar links *\/\n.trp-language-switcher, .trp-floating-switcher { display: none !important; }\n\n<\/style>\n<div class=\"topbar\">\n  <div class=\"container\">\n    <div class=\"topbar-facts\">\n      <span>Manufacturer &amp; R&amp;D \u2014 Xuzhou, China<\/span>\n      <span>Trial samples from 25 kg<\/span>\n      <a href=\"mailto:sales@hanwangyijia.com\">sales@hanwangyijia.com<\/a>\n    <\/div>\n    <div class=\"lang-inline\">\n      <svg width=\"15\" height=\"15\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><circle cx=\"12\" cy=\"12\" r=\"9\"\/><path d=\"M3 12h18M12 3a15 15 0 0 1 0 18M12 3a15 15 0 0 0 0 18\"\/><\/svg>\n      <span class=\"lang-current\">English<\/span>\n      <a href=\"\/zh\/yj-k308-rapid-repair-mortar-admixture\/\">\u4e2d\u6587<\/a>\n    <\/div>\n  <\/div>\n<\/div><header class=\"site-header\">\n  <div class=\"container\">\n    <a class=\"brand\" href=\"\/\">\n      <span class=\"brand-mark\">YJ<\/span>\n      <span class=\"brand-text\">\n        <strong>Hanwang Yijia<\/strong>\n        <span>New Materials<\/span>\n      <\/span>\n    <\/a>\n    <nav class=\"nav\">\n      <ul>\n        <li><a href=\"\/\">Home<\/a><\/li>\n        <li><a href=\"\/products\/\" class=\"is-active\">Products<\/a><\/li>\n        <li><a href=\"\/applications\/\">Applications<\/a><\/li>\n        <li><a href=\"\/technical-support\/\">Technical Support<\/a><\/li>\n        <li><a href=\"\/about-us\/\">About<\/a><\/li>\n        <li><a href=\"\/contact\/\">Contact<\/a><\/li>\n      <\/ul>\n    <\/nav>\n    <div class=\"header-cta\">\n      <a class=\"btn btn--primary btn--sm\" href=\"\/contact\/\">Request TDS<\/a>\n    <\/div>\n    <a class=\"btn btn--outline btn--sm nav-toggle\" href=\"\/contact\/\">Menu<\/a>\n  <\/div>\n<\/header><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1229c08 e-con-full e-flex e-con e-parent\" data-id=\"1229c08\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-121fdd1 elementor-widget elementor-widget-html\" data-id=\"121fdd1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"yj-root\"><div class=\"container\"><div class=\"crumbs\">\n    <a href=\"\/\">Home<\/a><span>\/<\/span><a href=\"\/products\/\">Products<\/a><span>\/<\/span>YJ-K308\n  <\/div><\/div><section class=\"pdp-hero\">\n  <div class=\"container\">\n    <div class=\"split\">\n      <div>\n        <div class=\"ph ph--tall\">Product photo<small>YJ-K308 bag \/ powder, 1000\u00d71000<\/small><\/div>\n        <div class=\"gallery-thumbs\">\n          <div class=\"ph\">Powder<small>close-up<\/small><\/div>\n          <div class=\"ph\">Road patch<small>in service<\/small><\/div>\n          <div class=\"ph\">Cast sample<small>test block<\/small><\/div>\n        <\/div>\n      <\/div>\n      <div>\n        <span class=\"product-model\">YJ-K308<\/span>\n        <h1 class=\"pdp-title\">Rapid Repair Mortar Admixture<\/h1>\n        <p class=\"lead\">\n          A dedicated admixture for producing rapid repair mortar. You do not need rapid-hardening\n          sulphoaluminate cement: batching is simply 42.5 PO \/ 52.5 ordinary Portland cement, clean sand\n          and YJ-K308. Once placed, the mortar takes foot traffic at 1 hour and vehicles at 2 hours.\n        <\/p>\n        <div class=\"pdp-badges\">\n          <span class=\"badge\">Foot traffic <b>1 h<\/b><\/span>\n          <span class=\"badge\">Traffic open <b>2 h<\/b><\/span>\n          <span class=\"badge\">Strength <b>C60+<\/b><\/span>\n          <span class=\"badge\">Base cement <b>42.5 \/ 52.5 OPC<\/b><\/span>\n        <\/div>\n        <div class=\"pdp-actions\">\n          <a class=\"btn btn--primary\" href=\"\/contact\/\">Request TDS &amp; sample<\/a>\n          <a class=\"btn btn--outline\" href=\"#mix\">Jump to mix design<\/a>\n        <\/div>\n        <div class=\"callout\" style=\"margin-top:26px\">\n          <p>\n            <strong>What it removes from your process:<\/strong> no sulphoaluminate cement to source, and\n            no cocktail of separate admixtures to blend and test. One admixture, two raw materials,\n            far fewer ways for a batch to go wrong.\n          <\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-123d876 e-con-full e-flex e-con e-parent\" data-id=\"123d876\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1233a3f elementor-widget elementor-widget-html\" data-id=\"1233a3f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"yj-root\"><div class=\"container\">\n  <div class=\"pdp-body\">\n    <div>\n      <nav class=\"pdp-nav\">\n        <a href=\"#overview\">Overview<\/a>\n        <a href=\"#mix\">Mix design<\/a>\n        <a href=\"#advantages\">Advantages<\/a>\n        <a href=\"#applications\">Applications<\/a>\n        <a href=\"#handling\">Handling<\/a>\n        <a href=\"#faq\">FAQ<\/a>\n      <\/nav>\n\n      <section class=\"pdp-block\" id=\"overview\">\n        <h2>Product overview<\/h2>\n        <p>\n          Hanwang Yijia focuses on speciality cement mortars and cement-modification materials. In the\n          field of cement early strength, strengthening, rapid setting and rapid hardening \u2014what we call\n          the \"two strengths, two fasts\" \u2014we work with mature, industry-leading processes.\n        <\/p>\n        <p>\n          YJ-K308 is our in-house admixture developed specifically for repair mortar. It lets a dry-mix\n          producer build a rapid repair mortar product line without buying rapid-hardening sulphoaluminate\n          cement, and without assembling a multi-component admixture package.\n        <\/p>\n      <\/section>\n\n      <section class=\"pdp-block\" id=\"mix\">\n        <h2>Reference mix design<\/h2>\n        <p>Parts by weight. Treat this as a starting point and confirm it against your own materials.<\/p>\n        <div class=\"table-wrap\">\n  <table class=\"data\">\n    <thead>\n      <tr><th>Material<\/th><th>Parts by weight<\/th><th>Notes<\/th><\/tr>\n    <\/thead>\n    <tbody>\n      <tr><th>42.5 PO \/ 52.5 Portland cement<\/th><td>350<\/td><td>Ordinary Portland cement \u2014no sulphoaluminate cement<\/td><\/tr>\n      <tr><th>Sand<\/th><td>600<\/td><td>Use low-silt sand<\/td><\/tr>\n      <tr><th>YJ-K308 admixture<\/th><td>50<\/td><td>Adjust to control working time<\/td><\/tr>\n      <tr><th>Polypropylene fibre<\/th><td>1\u2014<\/td><td>Fibre length 3\u2014 mm<\/td><\/tr>\n    <\/tbody>\n  <\/table>\n<\/div>\n        <div class=\"callout\">\n          <p>\n            The YJ-K308 dose is the lever for <strong>working time<\/strong>. Raise it for a faster set,\n            lower it when the crew needs longer to place and finish. Sand silt content matters more than\n            most producers expect \u2014use low-silt sand.\n          <\/p>\n        <\/div>\n      <\/section>\n\n      <section class=\"pdp-block\" id=\"advantages\">\n        <h2>Core advantages<\/h2>\n        <div class=\"grid grid--2\" style=\"gap:28px\">\n          <div class=\"adv\">\n            <span class=\"adv-num\">1<\/span>\n            <div><h3>High, stable strength gain<\/h3><p>Rapid set and rapid hardening on ordinary Portland cement. With a suitable mix, strength reaches C60 and above, and late-age strength development beats a sulphoaluminate cement system.<\/p><\/div>\n          <\/div>\n          <div class=\"adv\">\n            <span class=\"adv-num\">2<\/span>\n            <div><h3>Easy to place<\/h3><p>The mortar flows well, which keeps site work straightforward even under time pressure.<\/p><\/div>\n          <\/div>\n          <div class=\"adv\">\n            <span class=\"adv-num\">3<\/span>\n            <div><h3>Strong adhesion<\/h3><p>Bond performance is a standout \u2014the repair grips the existing substrate firmly.<\/p><\/div>\n          <\/div>\n          <div class=\"adv\">\n            <span class=\"adv-num\">4<\/span>\n            <div><h3>Shrinkage and crack resistance<\/h3><p>Micro-expansive behaviour materially lowers the risk of shrinkage cracking in the patch.<\/p><\/div>\n          <\/div>\n          <div class=\"adv\">\n            <span class=\"adv-num\">5<\/span>\n            <div><h3>Production without the guesswork<\/h3><p>No need to blend multiple admixtures, which removes a large block of trial work and the risk of mis-batching raw materials.<\/p><\/div>\n          <\/div>\n          <div class=\"adv\">\n            <span class=\"adv-num\">6<\/span>\n            <div><h3>Durability, no dusting<\/h3><p>Suppresses surface pulverisation, which lifts the service life of the repair.<\/p><\/div>\n          <\/div>\n          <div class=\"adv\">\n            <span class=\"adv-num\">7<\/span>\n            <div><h3>Lower cost, better output<\/h3><p>Procurement is simpler and total cost comes in below a sulphoaluminate-based repair mortar system.<\/p><\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <section class=\"pdp-block\" id=\"applications\">\n        <h2>Where it is used<\/h2>\n        <ul class=\"checklist\">\n          <li><strong>Road and pavement patch repair<\/strong> \u2014reopen to traffic within 2 hours of placing.<\/li>\n          <li><strong>Industrial and warehouse floor repair<\/strong> \u2014hand the floor back inside one maintenance window.<\/li>\n          <li><strong>Bridge deck and kerb repairs<\/strong> \u2014high bond strength to the existing substrate.<\/li>\n          <li><strong>Dry-mix producers<\/strong> building their own branded rapid repair mortar product.<\/li>\n        <\/ul>\n      <\/section>\n\n      <section class=\"pdp-block\" id=\"handling\">\n        <h2>Handling and storage<\/h2>\n        <ul class=\"checklist\">\n          <li>Store sealed and protected from moisture; mix fresh and use fresh.<\/li>\n          <li>Material that has absorbed moisture and caked has lost performance and must not be used.<\/li>\n          <li>Run a laboratory trial on your cement and sand before scaling to production.<\/li>\n        <\/ul>\n        <h3>Packaging<\/h3>\n        <p>25 kg bags \/ 1000 kg bulk bags.<\/p>\n      <\/section>\n\n      <section class=\"pdp-block\" id=\"faq\">\n        <h2>Frequently asked<\/h2>\n        <div class=\"faq\">\n          <details open><summary>Do I need sulphoaluminate cement for this?<\/summary><p>No \u2014that is the point of the product. Ordinary 42.5 PO or 52.5 Portland cement plus low-silt sand plus YJ-K308 is the whole formulation.<\/p><\/details>\n          <details><summary>How soon can traffic run on the repair?<\/summary><p>Foot traffic at 1 hour after the mortar hardens, vehicle traffic at 2 hours.<\/p><\/details>\n          <details><summary>What strength can I expect?<\/summary><p>C60 and above with a suitable mix proportion. Late-age strength keeps developing rather than falling back.<\/p><\/details>\n          <details><summary>Can I adjust the working time?<\/summary><p>Yes. The YJ-K308 dose controls it \u2014more admixture for a faster set, less when the crew needs more placing time.<\/p><\/details>\n          <details><summary>Do I need the polypropylene fibre?<\/summary><p>It is in the reference mix at 1\u2014 parts, 3\u2014 mm length, to control plastic cracking. Tell us your application and we will advise whether to keep it.<\/p><\/details>\n        <\/div>\n      <\/section>\n    <\/div>\n    <aside class=\"sidebar\">\n      <div class=\"side-box\">\n        <h3>At a glance<\/h3>\n        <ul class=\"side-list\">\n          <li><span>Model<\/span><b>YJ-K308<\/b><\/li>\n          <li><span>Type<\/span><b>Repair mortar admixture<\/b><\/li>\n          <li><span>Base cement<\/span><b>42.5 PO \/ 52.5 OPC<\/b><\/li>\n          <li><span>Reference dose<\/span><b>50 parts per 1000<\/b><\/li>\n          <li><span>Foot traffic<\/span><b>1 h<\/b><\/li>\n          <li><span>Traffic open<\/span><b>2 h<\/b><\/li>\n          <li><span>Strength class<\/span><b>C60+ achievable<\/b><\/li>\n          <li><span>Packaging<\/span><b>25 kg \/ 1000 kg<\/b><\/li>\n        <\/ul>\n      <\/div>\n      <div class=\"side-box side-box--dark\">\n        <h3>Request TDS &amp; sample<\/h3>\n        <p>Send your cement grade and application. You get the datasheet, a suggested dosage and trial pricing.<\/p>\n        <a class=\"btn btn--primary btn--block\" href=\"\/contact\/\">Contact a technical engineer<\/a>\n      <\/div>\n      <div class=\"side-box\">\n        <h3>Related products<\/h3>\n        <ul class=\"side-list\">\n          <li><span>YJ-51YYLX<\/span><b><a href=\"\/yj-51yylx-rapid-hardening-cement-enhancer\/\">Cement enhancer<\/a><\/b><\/li>\n          <li><span>All products<\/span><b><a href=\"\/products\/\">View range<\/a><\/b><\/li>\n          <li><span>Applications<\/span><b><a href=\"\/applications\/\">See use cases<\/a><\/b><\/li>\n        <\/ul>\n      <\/div>\n    <\/aside>\n  <\/div>\n<\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-12514e4 e-con-full e-flex e-con e-parent\" data-id=\"12514e4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-12476ad elementor-widget elementor-widget-html\" data-id=\"12476ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"yj-root\"><section class=\"section section--tight cta-band\">\n  <div class=\"container\">\n    <div class=\"split\">\n      <div>\n        <h2>Not sure which product fits your line?<\/h2>\n        <p>Send us your cement grade and what you are casting. We will tell you which YJ product applies \u2014or tell you if none of them do.<\/p>\n      <\/div>\n      <div style=\"display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;align-items:center\">\n        <a class=\"btn btn--primary\" href=\"\/contact\/\">Talk to an engineer<\/a>\n        <a class=\"btn btn--ghost\" href=\"\/products\/\">Browse products<\/a>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1265152 e-con-full e-flex e-con e-parent\" data-id=\"1265152\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-125b31b elementor-widget elementor-widget-html\" data-id=\"125b31b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"yj-root\"><footer class=\"site-footer\">\n  <div class=\"container\">\n    <div class=\"footer-grid\">\n      <div class=\"footer-brand\">\n        <div class=\"brand\">\n          <span class=\"brand-mark\">YJ<\/span>\n          <span class=\"brand-text\">\n            <strong>Hanwang Yijia<\/strong>\n            <span>New Materials<\/span>\n          <\/span>\n        <\/div>\n        <p>\n          Manufacturer of cement modification chemicals \u2014early strength, strengthening,\n          fast setting and fast hardening additives for cement and gypsum systems.\n        <\/p>\n      <\/div>\n      <div>\n        <h4>Products<\/h4>\n        <ul>\n          <li><a href=\"\/yj-51yylx-rapid-hardening-cement-enhancer\/\">YJ-51YYLX cement enhancer<\/a><\/li>\n          <li><a href=\"\/yj-k308-rapid-repair-mortar-admixture\/\">YJ-K308 repair mortar admixture<\/a><\/li>\n          <li><a href=\"\/products\/\">Cement strengtheners<\/a><\/li>\n          <li><a href=\"\/products\/\">Gypsum additives<\/a><\/li>\n        <\/ul>\n      <\/div>\n      <div>\n        <h4>Applications<\/h4>\n        <ul>\n          <li><a href=\"\/applications\/\">PC precast<\/a><\/li>\n          <li><a href=\"\/applications\/\">Repair mortar<\/a><\/li>\n          <li><a href=\"\/applications\/\">Leak sealing<\/a><\/li>\n          <li><a href=\"\/applications\/\">Road repair<\/a><\/li>\n        <\/ul>\n      <\/div>\n      <div>\n        <h4>Contact<\/h4>\n        <ul>\n          <li>Xuzhou, Jiangsu, China<\/li>\n          <li><a href=\"mailto:sales@hanwangyijia.com\">sales@hanwangyijia.com<\/a><\/li>\n          <li><a href=\"\/contact\/\">Request TDS<\/a><\/li>\n          <li><a href=\"\/contact\/\">Request sample<\/a><\/li>\n        <\/ul>\n      <\/div>\n    <\/div>\n    <div class=\"footer-bottom\">\n      <span>\u00a9 2026 Xuzhou Hanwang Yijia New Materials Co., Ltd.<\/span>\n      <span>Laboratory data \u2014verify with a trial mix before production<\/span>\n    <\/div>\n  <\/div>\n<\/footer><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Manufacturer &amp; R&amp;D \u2014 Xuzhou, China Trial samples from 25 kg sales@hanwangyijia.com English \u4e2d\u6587 YJ Hanwang Yijia New Materials Home Products Applications Technical Support About Contact Request TDS Menu Home\/Products\/YJ-K308 Product photoYJ-K308 bag \/ powder, 1000\u00d71000 Powderclose-up Road patchin service Cast sampletest block YJ-K308 Rapid Repair Mortar Admixture A dedicated admixture for producing rapid repair [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_canvas","meta":{"footnotes":""},"class_list":["post-20","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/hanwangyijia.com\/zh\/wp-json\/wp\/v2\/pages\/20","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hanwangyijia.com\/zh\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/hanwangyijia.com\/zh\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/hanwangyijia.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hanwangyijia.com\/zh\/wp-json\/wp\/v2\/comments?post=20"}],"version-history":[{"count":10,"href":"https:\/\/hanwangyijia.com\/zh\/wp-json\/wp\/v2\/pages\/20\/revisions"}],"predecessor-version":[{"id":110,"href":"https:\/\/hanwangyijia.com\/zh\/wp-json\/wp\/v2\/pages\/20\/revisions\/110"}],"wp:attachment":[{"href":"https:\/\/hanwangyijia.com\/zh\/wp-json\/wp\/v2\/media?parent=20"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}