ASTM D3376制造电绝缘材料用纸浆取样及试验标准试验方法
日期:2012-02-10 17:31
ASTM D3376 Standard Test Methods of Sampling and Testing Pulps to be Used in the Manufacture of Electrical Insulation
ASTM D3376制造电绝缘材料用纸浆取样及试验标准试验方法
The conductivity of the water extract of electrical grade pulp results from electrolytic impurities in the pulp which may be present as ionizable acids, bases, salts, or a combination of these. The presence of electrolytic impurities in electrical insulation is undesirable as they tend to lower insulation resistance and have c
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