Mixture of gypsum and carbonates amalgamated with particular cellulose and mechanically refined. To be used for plastering and smoothing masonry works and for leveling wood imperfections. It can also be used as a sealant for prefabricated slabs and as an adhesive for rosettes, frames and plaster casts. Easy to apply and sand, it dries in the air, does not shrink, does not crack, does not yellow, is non-toxic and non-flammable.