ASTM D6076-2008 皮革缩小温度的标准试验方法

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【英文标准名称】:StandardTestMethodforShrinkageTemperatureofLeather
【原文标准名称】:皮革缩小温度的标准试验方法
【标准号】:ASTMD6076-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D31.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:degreeoftannage;leather;shrinkage;shrinkagetemperature;tannage;Degreeoftannage;Leather;Shrinkagetemperature;Tanninganalysis/materials
【摘要】:5.1Thistestmethodisdesignedtodeterminethetemperatureatwhichathoroughlywettedleatherspecimenexperiencesshrinkage.Inthistestmethod,shrinkageoccursasaresultofhydrothermaldenaturationofthecollagenproteinmoleculeswhichmakeupthefiberstructureoftheleather.Theshrinkagetemperatureofleatherisinfluencedbymanydifferentfactors,mostofwhichappeartoaffectthenumberandnatureofcrosslinkinginteractionsbetweenadjacentpolypeptidechainsofthecollagenproteinmolecules.Thevalueoftheshrinkagetemperatureofleatheriscommonlyusedasanindicatorofthetypeoftannageorthedegreeoftannage,orboth,ofthatparticularleather(especiallyforthemorehydrothermallystabletannagessuchaschrometannage).1.1Thistestmethodcoversthedeterminationoftheshrinkagetemperatureofalltypesofleather.Theheatingmediumiswaterwhentheshrinkagetemperatureisatorbelow98x00B0;C.Theheatingmediumisaglycerine-watersolutionwhentheshrinkagetemperatureisabove98x00B0;C.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y45
【国际标准分类号】:59_140_30
【页数】:3P.;A4
【正文语种】:英语