UL94(實驗室燃燒測試方法）.pdf

lcs9719

UL94(實驗室燃燒測試方法）.pdf


UL94-1998中英文版

yeh

Conditioning
1SpecimensaretobepreconditionedinaccordancewithASTMD618(ISO291)at23±2Cand50±5percentrelativehumidityforaminimumof48hours.
2Specimensforcertaintestsaretobepreconditionedinanair-circulatingovenfor168hoursat70±1Candthencooledinthedesiccatorforatleast4hoursatroomtemperature,priortotesting.
3Onceremovedfromthedesiccator,specimensshallbetestedwithin30minutes.
4Allspecimensaretobetestedinalaboratoryatmosphereof15–35Cand45–75percentrelativehumidity.
5Cottonshallbeconditionedinthedesiccatorforatleast24hourspriortouse.
6Onceremovedfromthedesiccator,thecottonshallbeusedwithin30minutes

HorizontalBurningTest;HB(ASTMD635,D4804,IEC707,orISO1210)
Testcriteria
1AmaterialshallbeclassifiedHBwhentestedasdescribedin7.2.1–7.5.10.
2AmaterialclassedHBshall
a)Nothaveaburningrateexceeding40mmperminuteovera75mmspanforspecimenshavingathicknessof3.0–13mm,or
b)Nothaveaburningrateexceeding75mmperminuteovera75mmforspecimenshavingathicknesslessthan3.0mm,or
c)Ceasetoburnbeforethe100mmreferencemark.See7.5.1and7.5.9.
3AmaterialclassifiedHBinthe3.0+0.2mmthicknessshallautomaticallybeclassedHBdowntoa1.5mmminimumthicknesswithoutadditionaltesting.
4Ifonlyonespecimenfromasetofthreespecimensdoesnotcomplywiththeequirements,anothersetofthreespecimensistobetested.AllspecimensfromthissecondsetshallcomplywiththerequirementsinorderforthematerialinthatthicknesstobeclassifiedHB.

yizhiying

都是英文啊？汗…………看不懂啊

一把飞刀

真是个好东西，可就是N文啊？:funk:

无言

就是燃烧等级啊!
这个对样品的形状和燃烧灯具有要求的！

bati21

很好，正在找呢

leisd

我司做adaptor，沒有專門的燃燒測試設備。
為防供應商亂用料，只得用附件的辦法測試。
大家見笑了！
如有電源廠機構同行請多指教我，謝謝！

mengtel

leisd发表于2012-3-216:27
我司做adaptor，沒有專門的燃燒測試設備。
為防供應商亂用料，只得用附件的辦法測試。
大家見笑了！

给楼上点个赞，虽然过去很长时间了。

023214274

谢谢分享，这个标准可以参考来做的

peng7

非常感谢
THKS for  share.