外壳材料黄卡上的RTI
外壳材料黄卡上的RTI是指什么？ RTI 又分ELEC,IMP,STR ，这些有是指什么？ 查看塑胶材料认证 QMFZ2 Guide infoThermal Endurance
The temperature below which a class of critical property will not be unacceptably compromised through chemical thermal degradation, over the reasonable life of an electrical product (relative to a reference material having a confirmed, acceptable corresponding performance) is defined as the Relative Thermal Index (RTI). More than one RTI may be appropriate for a given material depending on the property requirements for a given application. In certain cases, higher temperatures are permitted if so specified by the end-use product standard.
RTI Elec — Electrical RTI, associated with critical insulating properties.
RTI Mech Imp — Mechanical Impact RTI, associated with critical impact resistance, toughness, elongation and flexibility properties.
RTI Mech Str — Mechanical Strength (Mechanical without Impact) RTI, associated with critical mechanical strength and structural integrity where impact resistance, resilience and flexibility may not be essential.
linke：http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/showpage.html?name=QMFZ2.GuideInfo&ccnshorttitle=Plastics+-+Component&objid=1073827223&cfgid=1073741824&version=versionless&parent_id=1073827222&sequence=1 好详细呀，学习了，顺便把HWI，HAI也解释一下吧 UL黄卡论坛上已经有详细解读过了
http://www.angui.org/read.php?tid-75154-keyword-UL%BB%C6%BF%A8.html 十分感谢包子和007。 不错，很专业 HWI － 热线圈引燃试验， HAI －高电流电弧引燃试验， GWI － 灼热丝引燃试验，
HVTR －高压电弧起痕 速度测试， D495 －高压低流干电弧阻抗测试， CTI － 相对电痕指数测试,
HVAR － 高压电弧阻燃测试， DS － 介质击穿电压强度测试， VR － 体积电阻测试，
SR －表面电阻测试， DIM －尺寸稳定性测试， WAB －吸水性测试，
HDT － 热形变温度测试， TI － 拉伸冲击性能测试， TS －拉伸强度性能测试，
II － 带缺口冲击性能测试， CI － 简支梁（夏比）冲击性能测试， FS －弯曲强度性能测试 ……
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