PE 100 grade pipe is currently recognized as a domestic standard, generally used as a water supply pipe, are the default use of PE 100 grade pipe. PE 100 grade pipes are extruded from PE 100 grade high density polyethylene by high temperature extrusion. The minimum required strength of PE pipes is 8.00 Mpa to 9.99 Mpa at 50 years and 97.5% confidence at normal temperature of 20 C. At present, the national standard of PE water supply pipe material is GB/T13663-2000. According to the different pressure, it can be divided into five specifications: SDR26, SDR21, SDR17, SDR13.6, SDR11.
