ASTM D3215-1993 包覆型加热元件用电气级氧化镁的电阻率的测量方法
ASTM D3215-1993 标准详情
- 标准号:ASTM D3215-1993
- 中文标题:包覆型加热元件用电气级氧化镁的电阻率的测量方法
- 英文标题:standard test method for measurement of the specific electrical impedance of electrical-grade magnesium oxide for use in sheathed-type heating elements
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1993
内容简介
1.1 This test method covers the determination of specific electrical impedance of electrical-grade magnesium oxide by externally heating a test cell to elevated temperatures using typical materials.1.2 The values stated in SI units are to be regarded
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