... , tasteless, non-toxic, environm MULTI-FUNCTIONAL HIGH EFFICIENCY WATERPROOF MATERIAL1.Waterproof, anti ... 2.non-chlorine salt, dont corrosive to steel ;3.Have performance like enhancement, frost resistance, micro-expansion, water-reducing, plastic ... -keeping 4.Low-coagulating, shrinkage-compensating and reducing the peak heat of hydration, in favor of pumping construction. MULTI-FUNCTIONAL ...