ASTM D1049橡胶绝缘封盖物
日期:2012-02-08 16:09
, ozone resistance, chemical, and physical tests shall be conducted on each of the covers to determine its acceptability. The cover material shall conform to the tensile strength requirements, the accelerated aging, and for Type I covers, the determination of rubber polymer. Each cover shall withstand the specified ac proof-test voltage (rms value) or the dc proof-test voltage (average value).
This abstract is a brief summary of the referenced standard. It is informational only and not an offici
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