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PPR pipes (Polypropylene Random Copolymer pipes) are a type of plastic pipe made from a blend of polypropylene and ethylene copolymers. PPR is a high-technology plastic pipe, which is modern plumbing's important solution when matched to cold galvanized pipes for all hot water systems.
link:https://www.ifan-plast.com/plastic-pipe/ppr-pipe/
IFAN PPR Pipe