Selection Of Pex Crimp Fitting Price PEX Expansion Fittings are used for floor heating main pipes for hot water systems. It has good thermal insulation performance. Because PPR is a random copolymer polypropylene synthesized by gas phase method, its structure is characterized by the random linkage of PE molecules among PP molecules, and the molecular weight is from 300,000. ~800,000, but because PPR pipes are not flexible enough,...
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