ASTM D2656额定电压为2001到35000V的电线和电缆用交联聚乙烯绝缘材料的标准规范
日期:2012-02-10 11:14
is specification are not sunlight- and weather-resistant unless they are carbon black pigmented or contain an additive system designed for this protection.
1.4 In many instances the insulation cannot be tested unless it has been formed around a conductor. Therefore, tests are done on insulated wire in this standard solely to determine the relevant property of the insulation and not to test the conductor or completed cable.
1.5 Whenever two sets of values are presented, in different units, the va
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