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发表于 2011-10-12 14:38:49
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回复2#fanweipin
非常感谢!我在网上搜索到EN50419:200X(EuropeanStandardspecifiesamarking)里面有如下内容
Intheabsenceofrelevantproductstandardsoriftherelevantproductstandarddoesnotincludemarkingdurabilityrequirements,thefollowingshallapply:
Complianceischeckedbyinspectionandbyrubbingbyhandfor15swithapieceofclothsoakedwithwaterandagainfor15swithapieceofclothsoakedwithpetroleumspirit.
Afterthistest,themarkingshallbelegible,itshallnotbeeasilypossibletoremovethemarking.Ifused,markingplatesorlabelsshallshownocurling.
NOTE2Thepetroleumspirittobeusedforthetestisaliphaticsolventhexanehavingamaximumaromaticscontent0,1%byvolume,akauri-butanolvalueof29,aninitialboilingpointofapproximately65°C,adrypointofapproximately69°Candaspecificmassofapproximately0,7kg/l.Whenusingpetroleumspiritappropriateenvironmental,healthandsafetymeasuresshouldbeapplied.
产品需要经过可靠性试验(高温高湿),那么该标签也应该通过高温高湿试验?但为何多款碳带均失效?请大家指导。 |
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