ASTM D3554 75℃工作条件下电线及电缆用不留痕迹的黑色热塑高密度聚乙烯绝缘材料标准规范
日期:2012-02-10 17:37
ne service that is exposed to sunlight and other atmospheric environments. The prescribed tests cannot be performed unless the insulation is formed around a conductor, but these are done solely to determine the insulation properties and not to test the conductor or completed cable. Each test sample should be subjected to an ac or dc voltage withstand test at voltages that are based on the nominal thickness of the insulation and should comply with the required values for aging, heat distortion, c
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