UL94标准• UL94HBflammabilitystandard(UL94HB可燃性标准)o RequirementsforHB(HB的要求条件)• UL94V-0,V-1,V-2flammabilitystandard(UL94V-0,V-1,V-2可燃性标准)o RequirementsforV-0(V-0的要求条件)o RequirementsforV-1(V-1的要求条件)o RequirementsforV-2(V-2的要求条件)• UL945VA&5VBflammabilitystandard(UL945VA&5VB可燃性标准)o Requirementsfor5VA(5VA的要求条件)o Requirementsfor5VB(5VB的要求条件)• UL94criteriasummary(UL94判定标准摘要)• GlowWiretesting• Obtainingmaterialrecognition(取得材料认证)• ULtestdescriptions(UL测试描述)• pany(RTP公司的UL档案号码)• pany(向RTP公司要UL黄卡)UL94HBflammabilitystandard(UL94HB可燃性标准)Specimen试片Length125mm(5in)xWidth13mm()xThickness[(1/16in)(1/8in)(1/4in)].长125mm(5")X宽13mm(1/2")X厚度[(1/16")、(1/8")(1/4")厚]Procedure程序1. Threespecimensofeachthicknessaretestedafterconditioningfor48hoursat23degreesCand50%,测试前先在23℃和50%相对湿度下放置48小时。2. 、短轴呈45°方式固定。3. Eachspecimenismarkedwithtwolines,。4. ,低缘下方10mm处水平放置一片金属细网。5. ,thetimefortheflamefronttotravelbetweenthetwogaugemarksismeasuredandtheburningrat
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