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This Document Has Been Superseded
A newer publication replaces it: ASTM E831
Standard Test Method for Coefficient of Linear Thermal Expansion of Electrical Insulating Materials (Withdrawn 2005)
1.1 This test method covers determination of the coefficient of linear thermal expansion of electrical insulating materials by use of a thermomechanical analyzer.
1.2 This test method is applicable to materials that are solid over the entire range of temperature used, and that retain sufficient hardness and rigidity over the temperature range so that irreversible indentation of the specimen by the sensing probe does not occur.
1.3 Transition temperatures also may be obtained by this test method.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.5 The values stated in SI units are the standard.
Note 1--There is no similar or equivalent ISO/IEC standard.
1.1 This test method covers determination of the coefficient of linear thermal expansion of electrical insulating materials by use of a thermomechanical analyzer.
1.2 This test method is applicable to materials that are solid over the entire range of temperature used, and that retain sufficient hardness and rigidity over the temperature range so that irreversible indentation of the specimen by the sensing probe does not occur.
1.3 Transition temperatures also may be obtained by this test method.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.5 The values stated in SI units are the standard.
Note 1--There is no similar or equivalent ISO/IEC standard.
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