PEX-b tubing

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PEX-b tubing
Posting date : Jul 15, 2008
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94-
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Detailed Description
Pexb-anUV has two layers, the material of its internal layer is silicane crosslinked polyethylene, the white one ,green environment, has the capacity of heat-resistance for a long time and aging resistance with innocuity as well as corrosion resistance.And the external layer , black one,mix with polyethylene,carton black and oxidation inhibitor,has the excellent capacity of ultraviolet radiation resistance, Compared with current common metal pipes, it is more heat-preservation and energy-saving. Therefore, it will be a new type of pipe with benefit to environmental protection. Technical Indexes: Specification: Outside Diameter(mm) SDR 11 9 7.3 PEX Series 5 4 3.15 Wall thickness (mm) Weight(kg/m) Wall thickness(mm) Weight (kg/m) Wall thickness(mm) Weight(kg/m) 12 1.3 0.045 1.4 0.049 1.7 0.059 16 1.5 0.083 2.0 0.083 2.2 0.098 20 2.0 0.111 2.3 0.131 2.8 0.153 25 2.3 0.169 2.8 0.197 3.5 0.238 32 2.9 0.268 3.6 0.323 4.4 0.382 40 3.7 0.425 4.5 0.503 5.5 0.594 50 4.6 0.659 5.6 0.78 6.9 0.926 63 5.8 1.04 7.1 1.24 8.7 1.46 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

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