... :20 to 630mm pressure:0.4MPa to 1.6MPa material:pe 80, 100 Production process:Automatic feeding → heating extrusion→ vacuum sizing ... packing→storage.Product DescriptionMaterial: PE80/ PE100 (now we mainly use pe 100).Sizes: 20mm--630mmSDR: SDR11,SDR13.6,SDR17,SDR21,SDR26 ... stress cracking, good creep resistance4.Good flexibility: small diameters PE pipe for water supply can be coiled and supplied for ...