ASTM D1933作为电绝缘材料的氮气的标准规范
日期:2012-02-10 10:24
ASTM D1933 Standard Specification for Nitrogen Gas as an Electrical Insulating Material
ASTM D1933作为电绝缘材料的氮气的标准规范
This specification covers three types of nitrogen gas used as an electrical insulating material in electrical equipment: Type I, obtained from the air by liquefaction processes and dried; Type II, obtained from the air by liquefaction processes, deoxidized with hydrogen over a platinum catalyst, and dried; and Type III, obtained from the air by liquefaction processes a
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