Runzhou PEX-b anUV potable pipe is a silane cross-linked plyethylene pipe for hot and cold water system. It can be used for 20 years outdoor and 50 years indoor.
Feature:Two layers structure: The internal layer is made up of silane cross-linked polyethylene. The external layer is mixed with polyethylene and carbon black,which has anti-ultraviolet ray.
Observed Standard : GB/T 17219-1998 and GB/T 18992.2-2003.

• Technical Indexes:
  Specification:
  Performance Index:
  Test Item Technology Requirement
  Crosslinking Degree(%) ≥65
  LongitudinalReversion (%) ≤3
• Hydraulic Test 20℃,12.0Mpa of hoop stress,1h,no seepage,no broken
   95℃,4.8Mpa of hoop stress,1h, no seepage,no broken
   95℃,4.7Mpa of hoop stress,22h, no seepage,no broken
   95℃,4.6Mpa of hoop stress,165h, no seepage,no broken
   95℃,4.4Mpa of hoop stress,1000h, no seepage,no broken
  Density (g/cm3) ≥0.94
  Tensile-strength (N/mm2) 20℃   19~26      100℃    9~13
  elongation at break(%) 20℃  350~550       100℃   500~700
  Temperature(℃) -70~+95
  Linear Expansibitlity (m/m°k) 20℃  1.4×10-4       100℃   2.05×10-4
  Vicat Softening Point(℃) 133
  Coeffient of Heat Conductivity (W/m°k) 0.35
• Anti-UV Layer: The carbon black content should be no less than 2.5% in conformity with the national concerned stipulations.
  Sanitation: The inner tube should meet the requirements of GB/T17219 criterion.
  
• Advantages of the product
  Anti-ultraviolet, green environment
  Firm connection, safe without leakage
  Age resistance, anticorrosive, long service life
  Service Range
  Pipeline Network of Solar Energy Installations
  Supply System of pure water
  Cold and hot water system in building
  Central Air-conditioning System
  Irrigation System of Agriculture and Garden
  Storm Sewer System