JIS S 4020:1994由日本工业标准调查会 JP-JISC 发布于 1994-10-01。JIS S 4020:1994 在中国标准分类中归属于: Y89 其他日用品,在国际标准分类中归属于: 61.040 帽子、服饰品、衣扣。JIS S 4020:1994 伞的最新版本是哪一版?最新版本是 JIS S 4020:1994 。JIS...
17、中图1所示,组成为GE4玻璃纤维基材树脂包覆铜基层之测试片(JIS C 6480)4测试条件与测试片1测试条件如下:温度4020C 、相对湿度90-95%,维持168小时温度8520C 、相对湿度85-90%,维持168小时4.2测试基材之预处理如下:在蒸馏水中以软毛刷将测试基材刷净,约30秒以蒸馏水喷净并浸泡试片在IPA中以软毛刷将测试基材...
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An Organic Contaminant is also required, see 4020 standard for details. ISO 4548-4: Initial Particle Retention Efficiency, Life & Cumulative Efficiency (gravimetric method) ISO 12103-1,A2 Fine Test Dust ISO 12103-2, M2, M3, M4 and M5 Aluminum Oxide Test Dust Life & Cumulative Efficiency uses...