We reply within one working day, from a technical contact.
With those two facts we can tell you which product applies, roughly what dose to expect, and what a trial quantity costs. If none of our products fits, we will say so.
Fields marked with an asterisk are the ones we genuinely need in order to answer usefully.
The more of this you send, the closer our first answer will be to a usable recipe.
Brand and grade —42.5 PO, 52.5, and whether the source is consistent.
Precast components, repair mortar, decorative cement, leak sealing, floor repair.
Required set time, demould window or traffic-opening time, and target strength.
Sand source and silt content —it moves results more than most producers expect.
Especially if you run below 10 °C in winter, which changes the dose.
Monthly tonnage and packaging preference, so we can quote realistically.