ASTM D3638电绝缘材料比较漏电痕迹指数标准试验方法
日期:2012-02-10 17:41
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1.1 This test method evaluates in a short period of time the low-voltage (up to 600 V) track resistance or comparative tracking index (CTI) of materials in the presence of aqueous contaminants.
1.2 The values stated in metric (SI) units are to be regarded as standard. The inch-pound equivalents of the metric units are approximate.
1.3 This standard is technically equivalent to the version of IEC Publication 112 cited in . However, the 2007 version of IEC 60112 Fourth Edition yields numerica
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