Crystalline Waterproof Coating 1,powder 2,repeated crystallization 3.corrosion resistance 4.25kg/barrel Cement ... temperature flexibility, tensile strength, elongation, on the shrinkage deformation and cracking of strong adaptability, can use a high standard waterproofing requirements ... type roof, color steel roof, color-coated steel roof waterproof. Powder Cement-based Crystalline Waterproof Coating