ASTM D2304硬质电绝缘材料耐热性标准试验方法
日期:2012-02-10 10:42
riorated. In this case, flexural strength is a better criterion of thermal aging.
When dictated by the needs of the application, it is possible that an aging atmosphere other than air will be needed and used. For example, thermal aging can be conducted in an oxygen-free, nitrogen atmosphere.
1. Scope
1.1 This test method provides procedures for evaluating the thermal endurance of rigid electrical insulating materials. Dielectric strength, flexural strength, or water absorption are determined at
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