ASTM D2219电线和电缆用聚氯乙烯绝缘材料(工作温度60℃)的标准规范
日期:2012-02-10 10:35
the insulation material cannot be tested unless it has been formed around a conductor or cable. Therefore, tests are done on insulated wire or cable in this specification solely to determine the relevant property of the insulation material and not to test the conductor or completed cable.
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered s
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