MULTI-FUNCTIONAL HIGH EFFICIENCY WATERPROOF MATERIAL anti-permeability, anti-cracking, tasteless, non-toxic, environm MULTI-FUNCTIONAL ... ;2.non-chlorine salt, dont corrosive to steel ;3.Have performance like enhancement, frost resistance, micro-expansion, water-reducing, plastic-keeping ... , in favor of pumping construction. MULTI-FUNCTIONAL HIGH EFFICIENCY WATERPROOF MATERIAL