Flexibility - PEX-A is the most flexible, allowing for it to be fastened by cold expansion, which allows the end to be fluted prior to inserting the fitting.PEX B is not expandable and you should never expand the end of a PEX-B pipe. Can you heat PEX to expand? Three types of PEX...
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Fittings offered: Socket insert,coupler or bendPVC Pipe has the characteristics of corrosion resistance, acid resistance, alkali resistance, salt and other chemical solventcorrosion, no cracking in case of grease, high strength, flame retardant, smoke suppression, heat resistance,...