【英文标准名称】:StandardTestMethodforResistanceofCeramicTiletoChemicalSubstances
【原文标准名称】:陶瓷砖耐化学品的标准试验方法
【标准号】:ASTMC650-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C21.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acidresistance;alkaliresistance;ceramictile;chemicalresistance;glazedurability;Ceramictile;Chemicalresistance;Color--ceramicmaterials/applications
【摘要】:Thistestmethodisintendedfortestingceramictilethataretobeusedforfoodcounters,lavatories,andsimilarresidential,medical,andcommercialinstallations,wheretheymaycomeincontactwithfood,chemical,andwastesubstancesandfortileinareaswheretheymaybeexposedtocontactwithstrongcleaningagents.Thespecificationof10%hydrochloricacidsolutionand10%potassiumhydroxidesolutionasnormaltestingfluids,andthelengthofexposuretimeandtemperaturearebasedonexperimentallaboratoryworkandinterlaboratorytests,whereitwasindicatedthatresistancetothesetwosubstancesprobablyassuresresistancealsotoanyotheracidicoralkalinesubstancecomingincontactwithtile,excepthydrofluoricacid.Thevalidityofusingcolordifferenceasmeansofdeterminingthedegreetowhichtilesurfacesareaffectedbyacidsandalkalieshasbeenestablishedbyinterlaboratorytestandwasfoundtobemorereliablethanthedeterminationoflossofgloss,particularlyforunglazedtileandmatorsemimatglazedsurfaces.Lackofcoordinationbetweeninstrumentalvalueandvisualeffectwasnotedonlyinthecaseofminutesurfacechanges,detectableonlybyobliqueviewing.1.1Thistestmethodcoversaprocedurefordeterminingwhether,andtowhatdegree,ceramictilesareaffectedbyprolongedexposuretochemicalsubstancesthatarecommonlyusedinthehouseholdorforcleaningpurposesaswellasothermoresevereconditions.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.2.1Theunitsusedforconcentrationinthisstandardarev/vwhichreferstothevolumeofreagent/1Lofsolutionandg/Lwhichreferstotheweightofreagent,ing,tobedissolvedin1Lofwater.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q31
【国际标准分类号】:91_100_25
【页数】:4P.;A4
【正文语种】:英语