ASTM D1790-2002 用冲击法测定塑料薄板的脆化温度的标准试验方法

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【英文标准名称】:StandardTestMethodforBrittlenessTemperatureofPlasticSheetingbyImpact
【原文标准名称】:用冲击法测定塑料薄板的脆化温度的标准试验方法
【标准号】:ASTMD1790-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;试验
【英文主题词】:brittlenesstemperature;cold-cracktemperature;impact;plasticsheeting;
【摘要】:Dataobtainedbythistestmethodmaybeusedtopredictthebehaviorofplasticsheetingatlowtemperaturesonlyiftheconditionsofdeformationaresimilartothosespecifiedinthistestmethod.Thistestmethodisusefulforspecificationtestingandforcomparativepurposes,butdoesnotnecessarilymeasurethelowesttemperatureatwhichtheplasticsheetingmaybeused.Ithasbeendemonstratedthatoncalenderedsheetingthebrittlenesstemperatureissensitivetothedirectionoffold.Ithasalsobeendemonstratedthatthebrittlenesstemperatureissensitivetothedirectionofsampling.Therefore,itisimperativethattheprocedurefortakingspecimensandfoldingbefollowedexplicitly.1.1Thistestmethodcoversthedeterminationofthattemperatureatwhichplasticsheeting1.00mm(0.040in.)orlessinthicknessexhibitsabrittlefailureunderspecifiedimpactconditions.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Note18212;ThistestmethodwasdevelopedjointlywiththeSocietyofthePlasticsIndustry,primarilyforusewithplasticizedvinylsheetings.Itsapplicabilitytootherplasticsheetingsmustbeverifiedbytheuser.1.3Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninNote4.Note38212;ThistestmethodissimilartoISO8570-1991intitleonly.Thetechnicalcontentissignificantlydifferent.
【中国标准分类号】:G33
【国际标准分类号】:83_140_10
【页数】:4P.;A4
【正文语种】: