Customization: | Available |
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Connection: | Welding |
Shape: | Equal |
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Basic performance of raw materials for pipe fittings
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Paramenter
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Units
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Requirement
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Test Value
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Density
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(kg/m3)
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≥930
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23°C
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Melt flow rate
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g/10min
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0.2-1.4
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190°C,5kg
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Thermal slaility(OIT)
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min
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>20
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200°C
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Volatilematter content
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mg/kg
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≤ 350
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Moisture content
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mg/kg
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≤ 300
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ASTM D 4019:1994a
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Carbon black content
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%
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2.0-2.5
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Carbon black dispersion
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grade
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≤ 3
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Gas proof components
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h
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≥20
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80°C,2MPa Hoop stress
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En>5mm Resitance to slow crack growth
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h
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165
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80°C,0.8MPa Test Presssure 80°C,0.92MPa Test Presssure
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