25 Kg sack

Calce Idraulica Naturale NHL 5 classified according the Regulation EN 459-1:2010 is obtained by the calcination of marly limestones very rich in silica and alumina in vertical furnaces in layers with a slow process and with temperatures around 1000°C. The result of this process is partially hydrated and afterthat milled without any other material that can modify the natural composition of the marl. This product is ideal for building mortars and plasters in the historical and monumental restoration, green building and constructions in general.
CE marked product with certification no. 0925 CPR Ce b. n. 22/2016