【英文标准名称】:Specificationforphenolicmouldingmaterials
【原文标准名称】:酚醛模塑材料的规范
【标准号】:BS771-1992
【标准状态】:现行
【国别】:英国
【发布日期】:1992-11-15
【实施或试行日期】:1992-11-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:冲击试验;温度;电绝缘材料;介电强度;抗弯应力;模制;热阻;试验条件;高聚物;塑料;作标记;摆式冲击试验;燃烧试验;名称与符号;吸水率;电绝缘;试样制备;变形;试样;氨;电阻;跟踪系数;固体绝缘材料;等级(质量);酚醛树脂;破裂应力;热固性聚合物;冲击强度;尺寸;挠曲试验;损耗因数;填充料
【英文主题词】:Acids;Ammonia;Classificationsystems;Classifications;Climate;Cottonfibres;Cresol;Definition;Definitions;Determinationofcontent;Dielectricmaterials;Dissipationfactor;Extenders;Injectionmoulding;Marking;Mica;Mouldingmaterials;Mouldings(shapedsection);Phenol;Phenolicresins;Plastics;Pressing(forming);Properties;Resinmouldingmaterials;Rocks;Samplingmethods;Specification;Specification(approval);Specifications;Standarddeviation;Surveillance(approval);Testatmospheres;Testing;Tests
【摘要】:1GeneralThisInternationalStandardspecifiesrequirementsforthephysicalandchemicalpropertiesofphenolicmouldingmaterials,classifiedbytypeandgradeaccordingtotheiruseandproperties.2TypesFourtypesofphenolicmouldingmaterialarespeci-fied,asfollows:—TypeA:Generalpurpose—TypeC:Heatresistant—TypeD:Impactresistant—TypeE:Electricalapplications3FillerThetypeoffillertobeusedineachtypeofphenolicmouldingmaterialisnotspecifiedbutisusuallyasshowninthefollowingexamples:TypeofmouldingFillermaterialAWoodflourCMineralfillerDCottonEMica4ResinAbbreviationsareusedtoindicatethetypeofphenolicresin,asfollows:—One-stepphenolicresin:PF1—Two-stepphenolicresin:PF25GradesThevarioustypesofmaterialarefurthersub-dividedintogradesbasedonthepropertylevelsandre-quirements.EXAMPLEPF2A1isaphenolicmouldingmaterialmadefromtwo-stepresin,intendedforgeneralapplications.Thelastdigitindicatesaparticulargradeofonetypeofmaterial.6ClassificationTable1showsthetypesandthegradesofphenolicmouldingmaterialcoveredbythisInternationalStandard,togetherwiththeirapplicationsanddis-tinguishingproperties.Itshallnotbeinferredfromtheclassificationgivenintable1thatmaterialsofanyparticulargradearenecessarilyunsuitableforapplicationsotherthanthoseindicated,orthatspecificmaterialwillbesuitableforallapplicationswithinthewidede-scriptiongiven.
【中国标准分类号】:G32
【国际标准分类号】:83_080_10
【页数】:16P.;A4
【正文语种】:英语