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In the heart then had the fantasy, now immediately began, the mood is very excited!
PVC Waterstop is a kind of polyvinyl chloride resin which experience a series complecated process include Mixing, granulating and extruding to form. The main characteristic of pvc waterstop is that it include a kind of hydro expansive compound. When meet the water,the hydro expansive compound in waterstop will expand quickly.combined with concrete,it can stop the water pass the structure effective...
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