... hail, 4.sparkling fire, EPDM waterproof membrane Width: 1.2m Length: 20m Thickness: 1.2mm. 1.5mm. 2.0mm ... corrosion of many chemical corrosive substances. 3, High tensile strength, high elongation, high flexibility, capable of sustaining a puncture of hard ... high durability can achieve more than 25 years. 5, The cold construction operation, no environment pollution and simple operation. High quality ...