Features: 1.Material:high quality PE80 or PE 100 2.Sizes:20 to 800mm 3.Connection:socket fusion,butt fusion joint,electro fusion joint,flanged joint. 4.Certification:ISO9001,ISO14001. 5.Applications:water supply,industrial liquids transportation and sewage treatment. Advantages: 1.Non-toxic:No heavy metal additives,would not be covered with dirt or contaminated by bacterium. 2.Corrosion Resistant:resist chemical matters or electron chemical corrosion 3.Lower installation Costs:light weight and ease of installation can reduce installation costs by as much as 50% over metal piping system. 4.Higher Flow Capacity:smooth interior walls result in lower pressure loss and higher volume than metal pipe 5.Longevity:more than 50 years under proper use 6.Recycled and Environment-friendly. Application: 1.Municipal water supply 2.Commercial & Residential water supply. 3.Industrial liquids transportation. 4.Sewage treatment. Properties and Typical Value: 1.Specific Gravity, g/cm3, 20(C): 0.941-0.965 2.Longitudinal Reversion, % (110(C)): =20 4.Extension Rate at Break. %: >=350 5.Hydraulic Pressure Test: 1)20(C), Hoop Stress is 12.4 Mpa, 100h: No Failure. 2)80(C), Hoop Stress is 5.5Mpa, 165h: No Failure. 3)80(C), Hoop Stress is 5.0Mpa, 1000h: No Failure.