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Specification of the PEXb Tube:
1.Outside Diameter(mm) SDR
11 9 7.3
2.PEX Series
5 4 3.15
3.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
4.PEXb Tube 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
5.Anti-UV Layer: The carbon black content should be no less than 2.5% in conformity with the national concerned stipulations.
6.Sanitation: The inner tube of the PEXb Tube should meet the requirements of GB/T17219 criterion.
7.Advantages of the PEXb Tube:
Anti-ultraviolet, green environment
Firm connection, safe without leakage
Age resistance, anticorrosive, long service life
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