Specification :

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:
No. Test Item Technology Requirement Results Judgment
1 Appearance: Both inner and outer surface of pipe should be smooth, even, clean and not exist defects which can affect the function of product such as nick, hollow space, bubble and so on. The wall shouldn¡¯t have impurity visible and the surface obvious color difference. The end surface should be cut smoothly, vertical with spool thread. Passed Qualified
2 Crosslinking degree, % ¡�65(silane crosslinked HDPE) 71.4 Qualified
3 Longitudinal reversion, % ¡Ü3 1.1 Qualified
4 Hydraulic Test 1)20¡æ,12.0 MPa of hoop stress,1h no seepage, no broken Passed Qualified
2)95¡æ,4.8 MPa of hoop stress,1h no seepage, no broken Passed Qualified
3)95¡æ,4.7 MPa of hoop stress,22h no seepage, no broken Passed Qualified
4)95¡æ,4.6 MPa of hoop stress,165h no seepage, no broken Passed Qualified
5)95¡æ,4.4 MPa of hoop stress,1000h no seepage, no broken Passed Qualified
Specification: ¦µ16mm~¦µ63mm
Tube Intensity: 0.94~0.96g/cm3
Anti-UV Layer: The carbon black content should be no less than 2.5% in conformity with the national concerned stipulations.
Advantages:
l Anti-ultraviolet
l Environmental-loving green products
l Firm connection
l Safe without leakage
l Aging-resistance
l Anticorrosive
l Long service life
l Easy reliable installation
Service Range:
l Supply system of direct potable pure water
l Cold and hot water system in the inner building
l Pipeline network of solar energy
l Central Air-conditioning system
l Irrigation system of agriculture and garden
l Storm sewer system
l Pipeline network of natatorium