GULF Gypsum Fibra is suitable for surface finishings and decorative elements, with a fast-setting time. It is made of extremely fine white gypsum, consisting essentially of calcined gypsum CaSO4.2H2O. Advantages: High �exural and compressive strength No cracks. Edge Types: White powder Standards: ASTM C59/59 M BS EN 13279-1 Iso 90001 :2015 ASTM C 471/472