... The high quality, hygienic ,nontoxic,heat-resistant, durable, good-looking, qualified ppr pipe . Name: ppr pipeMaterial: PP-RPressure: PN1.25MPa, PN1.6MPa ... low thermal conductivity which is only 1/1500 of brass pipe, and 1/250 of steel pipe· Non-toxic: no heavy metal additives, ... corrosion· Lower Installation Costs: light weight and ease of installation can reduce installation costs by as much as ...