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Beijing
Long-term effective
2017-11-30 02:14
49
ThestandardqualificationofthePVC-Udrainpipes: | ||
NO. | Items | Standardrequirements |
1 | Voluntarystandards | GB/T5836.2-2006 |
2 | Appearance | Boththeinsideandoutsidesurfaceofthepipessholdbesmooth,withoutblowhole,openingorovertscratches,pit,unindenticalcolorordiscoloration,thecoloriswhite. |
3 | Density(Kg/cm3) | 1350-1550 |
4 | Veikasofteningtemperature(℃) | ≧74 |
5 | Oventest | Thesampleshouldhavenoblisters,cracksoredgejointlinecrackingphenomena.Defetisallowedwithin50%ofthewallthicknessaroundtheinjectionpoint.crackingphenomenaareallowedwithinthewholewallthicknessattheedgejoint. |
6 | Dropshuttertest | Withoutcracks |