Hdpe pipe 1.Professional Manufacture 2.ISO certifications 3.Sizes: 20 to 630mm 4.Pressure:0.4MPa to1.6MPa Product feature : Material: PE80/ PE100 (mainly pe 100 used now)Sizes: 20mm--630mmSDR: SDR11,SDR13.6,SDR17,SDR21,SDR26,SDR33Pressure: 0.4Mpa, 0.6Mpa, 0.8Mpa, 1.0Mpa, 1.25Mpa, 1.6Mpa Color: Black with yellow stripeConnection: Socket-fusion jointed, butt-fusion jointed , electric-fusion jointed ...