... lowest calcium content (less 0.3 per cent) and low water absorption (less 0.8 per cent). Its anti-acid property ... .The quality inspection management way to ensure SHOS products very low breakage rate both during transport and using. No doubt, ... characters:durable, flexible, high compressive, beautiful color, frozen resistant,low water absorption;2)Usage: a great choice for roof, patio, garden flooring ...