【英文标准名称】:StandardPracticeforImmersionTestingofIndustrialProtectiveCoatings
【原文标准名称】:工业防护涂层的浸没试验标准规程
【标准号】:ASTMD6943-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D01.46
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:chemical;concrete;cycling;evaluation;immersion;panels;steel;temperaturegradient;testing
【摘要】:Protectivecoatingsareusedonmetallicandconcretestorageandprocessingvessels,shippingcontainers,damsandrailcarstoprotectthesubstratefromcorrosiveattackandtoprotectstoredmaterials(cargo)fromcontamination.Thismethodprovidesameanstoassesstheabilityofaprotectivecoatingtoresistdegradationbychemicalsandtoprotecttheliquidcargofromcontaminationbyeitherthesubstrateorcoating,basedonvisualobservations.Othermeasuresofdegradation,suchaschangesinweightordimensionsofthecoatingmaterial,orchemicalchangestothecargo,maybeusedtoassessthisprotectiveabilityasmutuallyagreeduponbetweencontractingparties.Thisstandardpracticecoversthreeapproachestoconductingevaluationsofaliningcoatingmaterialsfitnessforpurpose.4.2.1MethodA8212;Evaluationofspecimensunderconditionsofconstanttemperatureatatmosphericpressure,(thatis,withoutathermalgradient).4.2.2MethodB8212;Evaluationofspecimensunderconditionswhichprovideatemperaturegradientacrossthesample:Thetemperaturemayincreasefromcoatedsidetouncoatedside(MethodB1)ordecreasefromcoatedsidetouncoatedside(MethodB2).4.2.3MethodC8212;Evaluationofspecimensunderconditionsofconstanttemperatureandincreasedpressure,(thatis,withoutathermalgradient).Exposureofmaterialsofknownperformance(acontrol)atthesametimeasthetestmaterialisrecommended.1.1Thispracticeestablishesproceduresfortheevaluationoftheresistanceofindustrialprotectivecoatingstoimmersioninchemicals.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesisareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_99
【页数】:4P.;A4
【正文语种】: