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Scope

1.1 These test methods cover the evaluation of the characteristics of glass-bonded, natural, or synthetic mica materials intended for use as electrical insulation.

1.2 Glass bonded mica materials are commercially available in both injection molded and compression molded types. These test methods are applicable to both types except for tensile strength methods. (See Section 41.)

1.3 The test methods appear in the following sections:

ASTM Method Section Method Reference Arc Resistance 11 D 495 Compressive Strength 19 and 20 D 695 Conditioning 4 D 618 Dielectric Constant and 6 D 150 Dissipation Factor Dielectric Strength 7 and 8 D 149 Heat Distortion 32 to 35 D 648 Impact Resistance 21 to 23 D 256 Modulus of Rupture 12 to 14 C 674 Porosity 24 D 116 Resistivity 9 and 10 D 257 Rockwell Hardness 28 D 785 Specific Gravity 29 and 30 D 792 Tensile Strength 15 to 18 D 651, D 638 Test Specimens 3 ... Thermal Conductivity 31 C 408, C 177 Thermal Expansion 25 to 27 Interferometric Method 26 C 539 Dilatometer Method 27 C 372

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. See also Sections 45, 49, 54, and 58.

Keywords

Ceramic materials-electrical/electronic devices; Glass electronic applications; Heating tests-electrical insulating materials; Mica; glass-bonded mica/synthetic mica electrical insulation, selecting test; procedures; ICS Number Code 29.035.50 (Mica based insulating materials)

To find similar documents by ASTM Volume:

10.01 (Electrical Insulation (I): D69 - D2484)

10.02 (Electrical Insulation (II): D2518 - latest)

To find similar documents by classification:

29.035.50 (Mica based materials)

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