文档介绍：Designation:D638–99AnAmericanNationalStandardStandardTestMethodforTensilePropertiesofPlastics1ThisstandardisissuedunderthefixeddesignationD638;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,(e)*safetyconcerns,ifany,-heapplica-ofstandarddumbbell-,temperature,humidity,:thicknessupto14mm(.).However,fortestingD229TestMethodsforRigidSheetandPlateMaterials2specimensintheformofthinsheeting,(.)inthickness,TestMethodsD882istheD412TestMethodsforVulcanizedRubberandThermo-—Tension414mm(.)-5Poisson’—ThistestmethodandISO527-—,thatD1822TestMethodforTensile-ImpactEnergytoBreak4widedifferencesmayexistbetweenrateofcrossheadmovementandratePlasticsandElectricalInsulatingMaterialsofstrainbetweengagemarksonthespecimen,andthatthetestingspeedsD3039/,it