Castrock is a multicasting plaster consisting of high purity natural gypsum. CaSO4 H2O is the main component of the Castrock powder; It is used for molding works, mainly for ceramic and sanitary and tableware. Castrockâ?¢ is a multicasting plaster applied for sanitary ware and in molding & casting due to its low expansion, excellent strength, and hardness. It is used for all kinds of ornamental plasterwork. Advantages: Castrock is a multicasting plaster with low porosity It is used for molding and for decorative purposes. Standards: ASTM C59/59 M BS EN 13279-1 Iso 90001 :2015 Iso 90001 :2015; ASTM C472/471
