It is used as a chemical in a wide range of applications for the construction industry, mostly in combination with other compounds; therefore we designed it to be : additive-free very consistent (ISO 9002 certification) very reactive (fineness and grinding process specially adapted to maximize the particles surface tension) It is widely used in construction products such as self-levelers, tile adhesives, repair mortars, in combination with aluminous cement (Fondu Lafarge, Ternal Lafarge), portland cement and some additives (plasticizers, resin,&), to yield : high early and long term mechanical strengths shrinkage compensation (no cracks) rapid drying (ettringite cristallizes water) no efflorescense (trapping of free lime) NB : Fondu and Ternal are products of Lafarge Aluminates.
Lafarge Prestia supplies Alpha S NR to a growing number of companies manufacturing screeds |