GULF Gypsum is suitable for surfaces finishings and decorative elements, with a moderate setting time. It is made of fine white gypsum, consisting essentially of calcined gypsum CaSO4.2H2O Advantages: Compressive strength suitable for casting Suitable for building finishing purposes. Edge Types: White powder 40 kg paper bag Standards: ASTM C59/59 M BS EN 13279-1 Iso 90001 :2015 ASTM C 471 ASTM C 472