ISO 3915-1981 塑料 导电塑料电阻率的测量

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标准号:ISO 3915-1981
中文标准名称:塑料 导电塑料电阻率的测量
英文标准名称:Plastics; measurement of resistivity of conductive plastics
标准类型:G31
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:G31
国际标准分类号:29.050;83.080.01
适用范围:Specifies the requirements for the laboratory testing of the resistivity of specially prepared specimens of plastics made conductive by the incorporation of carbon black. The test is suitable for materials having a resistivity of less than 104 Ohm x m. A stable d.c. current is passed between electrodes at the ends of a test piece. A schematic diagram of the test circuit is given. The voltage drop between the two potential electrodes, set on the test piece while the current flows, is measured with an electrometer. The resistance of the portion of the test piece between the potential electrodes is independent of contact resistances.

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