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LINED PIPES AND FITTINGS, ASSOCIATED FORMING METHOD, AND METHOD OF IMPROVING THE CHLORINE RESISTANCE OF HIGH DENSITY POLYETHYLENE PIPES
LINED PIPES AND FITTINGS, ASSOCIATED FORMING METHOD, AND METHOD OF IMPROVING THE CHLORINE RESISTANCE OF HIGH DENSITY POLYETHYLENE PIPES
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机译:带衬里的管件和管件,相关的形成方法以及提高高密度聚乙烯管耐氯性的方法
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摘要
A lined pipe or fitting includes an outer layer containing high density polyethylene, and an inner layer containing a blend of poly(phenylene ether), polystyrene, and, optionally, a hydrogenated block copolymer. Relative to corresponding pipes and fittings made from high density polyethylene alone, the lined pipes and fittings exhibit improved resistance to chlorine and chlorine derivatives.
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