After analyzing the characteristics and application situation of the polyvinyl chloride waterpipe, the variation of the water quality in the plastic water pipe is studied.

分析了我国塑料给水管的特点及应用现状，对聚氯乙烯塑料给水管中化学成分对水质的影响进行了研究。

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Yet troubles loom: The housing downturn has cut demand for chemical-rich building products like polyvinyl chloride pipe, private equity firms are no longer buying chemical companies at rich multiples, and Mideast oil-exporting nations are investing billions in their own new chemical plants.

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