waterproof membrane

this kind pvc have a high tension, perfect elongation, perfect heating resistance,perfect jointing , high permeability and so onthis kind pvc have a high tension, perfect elongation, perfect heating resistance,perfect jointing ,it can be fused with base as a whole after heating jointing. high permeability , chilling material and moisture can be expelled easily . high aging resistance , UV resistance, corrosion resistance and erosion resistance good cold flexibility (-20 ) service life can reach 50 years long with no pollution surface can reflect UV . the temperature on the surface is low due to little absorbing heat.