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ID:44077755
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页数:11页
时间:2019-10-18
《GM 7001M-2001 Plastic Molding Compounds》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、MaterialSpecificationGM7001MPlasticsPlasticMoldingCompounds1ScopeSuffixCharacteristicSymbolThisstandardprovidesasystemforspecifyingsignif-NFlexuralStrengthicantpropertiesofcommonlyusedplastics,includingunpigmentedandpigmented,unfilledandfilledprod-PStiffnessucts.Itisintendedtoapplytoresins
2、(notparts),pri-marilyasusedintheautomotiveandrelatedindus-QCompressiveStrengthtries.ItisalsointendedtobeusedeitherasthesoleRImpactStrengthdescriptorofamaterialorwithinthebodyofaspecifi-cationcoveringthecommonstandardcharacteristicsSDeflectionTemperaturerequiredwhereasadditionalspecializedr
3、equirementsTBrittlenessTemperaturearedetailed.UFlammability1.1MaterialDescription.Itisbasedontheprin-VFoggingciplethatplasticsshouldbedescribed,insofarasispossible,intermsofspecificperformancecharacter-WHeatResistanceisticsdesiredintheresin,andthataninfinitenumberXHumidityAgingofsuchdescri
4、ptionscanbeformulatedbytheuseofoneormorestandardstatements(basedonstandardYWeatherResistancetests),eachdesignatingaqualitylevelofapropertyZOtherCharacteristicsorcharacteristic.Thus,usersofplasticresincan,byselectingdifferentcombinationsofperformancechar-Note:SuffixSymbolsAthroughHarenormal
5、lyap-acteristic,specifydifferentcombinationsofpropertiesplicabletotheresinasreceived.SuffixSymbolsJdesiredinvariousresins.throughUarenormallyapplicabletotestspecimensCompoundProperties.SeeTable1.moldedfromtheresinasreceived.SuffixSymbolsVthroughZcoveringenvironmentalperformancere-Table1:Pr
6、opertiesquirementsarealsonormallyapplicabletotestspec-SuffixCharacteristicimensmoldedfromtheresinasreceived.SymbolResinDescription.TheresindescriptionshallbeasAResinTypeindicatedbythenumeral(s)followingthesuffixA-sym-bol(seeTable2).One(1)ormoresuffixsymbolsmayBReinforcementand/orFillerbeus
7、edtodescribetherequiredresins.DSpecificGravityExample:A3,A42=Aheatstabilized,copolymerEViscosityresin.FMeltPointTable2:ResinDescriptionGMoistureContentDesignationCharacteristicHOxidativeStability1AlloyJHardness2BlendKTensileStrength3CopolymerLElongation4Genera
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