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Fitting Technology Performance
NO. Items Performance requirements
1 Voluntary standards GB10002.2-88
2 Appearance
Both the inside and outside surfaces of the plumbing should be smooth,without crack,blowhole,peeling,or severe cold spots,visible impurity,unidentical color,discoloration and other defects,The color is either gray or white.
3 Specifications(outside diameter,wall thickness) On gauge
4 Density 1350¡«1460
5 Veika softening temperature ¡Ý72
6 Hydroscopic property ¡Ü40
7 Oven test
The sample should have no blisters,cracks or edge joint line cracking phenomena.Defect is allowed within 50% of wall thickness around the injection point.Cracking phenomena are allowed within the whole wall thickness at the edge joint.
8 Drop shutter test None of the samples have cracks
9 Hydraulic test No leakage
10 Hygienic behavior The same as the PVC-U drinking water pipes
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