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发表于 2008-6-27 08:13:47
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RCA 纸带摩擦的标准
RCA纸带摩擦的标准可以参考ASTM-F2357,这个标准就是针对于这种设备的,其它的标准对这个是不适用的.所用的纸就是NORMAN的专用纸.
附档是相应的标准,请查阅!
StandardTestMethodforDeterminingtheAbrasionResistanceofInksandCoatingsonMembraneSwitchesUsingtheNormanTool“RCA”Abrader1,2
1.Scope
1.1Thistestmethoddescribestheprocedureforsubjectinginksorcoatingsonmembraneswitchestoanabrasivemediumataspecifiedforce.
1.2Withincertainlimitations,asdescribedinthisdocument,thistestmethodisapplicableformaterialsincluding,butnotlimitedto:printedorcoatedpolyester,polycarbonate,andsiliconerubber.Thesamplescanbeeitherflatorcontoured.
1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse. |
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