Mainly used in hot melt road and rail tunnel washer welded waterproof board. The company's product features adaptable, flexible mix of raw materials in line with the major water board manufacturers of various types of water board, the existing red, white, black and pvc material, for you to choose. Can be divided according to diameter 65mm, 70mm and 80mm in three models and the network is currently the lowest price, welcome to construction units and distributors to inquire! 13,463,848,892 89% elongation at break form the layered material pp shape Coil Size 70 79 Class 1 flexural strength compressive strength 98 90 tear waterproof board waterproof product category