The full name is polypropylene random copolymer which is great for water supply pipes (PPR) has good toughness, high strength, excellent processing performance, good creep resistance at higher temperatures, and has the unique advantages of high transparency of random copolymer polypropylene. The interface of the PPR pipe adopts hot-melt technology, and the pipes are completely fused together, so once the installation and pressure test pass, there will be no longer aging and water leakage like aluminium-plastic pipes.
http://www.ifanpiping.com/ppr-....pipe/plastic-ppr-pip
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