... As an ideal engineering material in construction,it is mainly used to reinforce cement, stone,wall materials,roofing,bitumen ect Alkaline-resistant ... As an ideal engineering material in construction, it is mainly used to reinforce cement, stone, wall materials, roofing, bitumen, gypsum and ... , gypsum and waterproof 3) An ideal engineering material for construction field 4) Main sizes: 5mm x 5mm/75g/m2 ...