... -cracking, tasteless, non-toxic, environm MULTI-FUNCTIONAL HIGH EFFICIENCY WATERPROOF MATERIAL1.Waterproof, anti-permeability ... 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 ...