Mouldmaster Crystacal R Class 3 Plaster 25kg

Crystacal R is a formulated hemihydrate plaster (CaSO4.1/2H2O) produced from naturally occurring high-purity gypsum minerals. It is a hard plaster from the Saint-Gobain Formula range Very White in colour, Crystacal R plaster is used to make hard casts with fine reproduction of detail. It is used in the manufacture of glass-reinforced gypsum (GRG) structures, decorative plasterwork, giftware, dental models, and more. When stored under dry conditions and in its original packaging, Crystacal R plaster has a specified shelf life of 9 months, which commences from the date of manufacture that is printed on each sack. Widely used as a class 3 dental plaster, it is also used for study models, as it is very white.