... hygienic ,nontoxic,heat-resistant, durable, good-looking, qualified ppr pipe . Name: ppr pipeMaterial: PP-RPressure: PN1.25MPa, PN1.6MPa, PN2 ... PN2.5MPa.Dimension: 20mm-160mmStandard: DIN8077/ 8078. Name: ppr pipeFeatures:· Material: Random Polypropylene(Type 3)· Sizes: 20mm to160mm ... Preservation: low thermal conductivity which is only 1/1500 of brass pipe, and 1/250 of steel pipe· Non-toxic: no heavy ...