HDPE Communication Duct PVC Gas Sleeve Pipe MANUFACTURER

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HDPE Communication Duct PVC Gas Sleeve Pipe MANUFACTURER
Posting date : Mar 28, 2014
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S04-
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Item Index Test method Pipe Fittings Density g/cm2(20°C) 0.89~0.91 GB/T1033 Thermal conductivity w/m.k(20°C) 0.23~0.24 GB/T3399 coefficient of linear expansion mm/mk 0.14~0.16 GB/T1036 Modulus of Elasticity N/mm2(20°C) 800 GB/T1040 tensile strength MPa ≥ 20 GB/T1040 Longitudinal retraction rate (135°C,2h) ≤ 2% GB/T6671.3 pendulum impact test (15J,0°C,2h) No leakage without break - GB/T1043 pendulum impact test (20°C,1h, 16MPa) No leakage without break - GB/T6111 Hydraulic test (95°C,1000h, 3.5MPa) No leakage without break - GB/T6111 Hydraulic test (110°C,8760h, 1.90MPa) No leakage without break GB/T6111 Hydraulic test (20°C,1h, 2.4MPa) Damage rate < 10% GB/T6111

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