标题: UL758老化实验 [打印本页] 作者: chenfaxin 时间: 2009-4-27 12:24 标题: UL758老化实验 UL758老化实验 `* Q: k. Y; S/ g: t
求助:UL758电子线对老化实验试样制备的要求,是模具切冲还是管状?按照1581对43类绝缘的理解,应该是两者都可以,但是如果两者实验结果有分歧的时候,应该以哪个为准呢?望高手指教!作者: stevenyu 时间: 2009-4-27 13:39
UL 758中有規定 & X, W) G( z/ g' o. a2 `4 j$ r14.2 Five specimens each are to be tested in both unaged and air oven aged conditions. Jackets from2 R+ P( {2 V+ H$ f8 |2 H
cables less than 0.200 inches (5.08 mm) in core diameter may be tested tubular. Jackets from cables; k) ? k0 r# ^
larger than 0.200 inches in core diameter shall be tested die-cut. When testing is to be conducted in7 g+ J3 b: a4 |' R- f+ [' r- [# s% X8 G
accordance with Long-Term Aging, Section 481 of UL 1581, six specimens shall be tested.作者: 547109 时间: 2009-4-27 18:39
学习当中.作者: chenfaxin 时间: 2009-4-29 09:37
谢谢stevenyu 指教。明白了,我的标准是2000版本的 没有上面内容。搜索才知道2006版本就有说明。非常感谢