ASTM-D902 Historical Revision Information
Standard Test Methods for Flexible Resin-Coated Glass Fabrics and Glass Fabric Tapes Used for Electrical Insulation

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Standard Test Methods for Flexible Resin-Coated Glass Fabrics and Glass Fabric Tapes Used for Electrical Insulation (Withdrawn 2020)


1.1 These test methods cover procedures for the testing of resin-coated glass fabrics and glass fabric tapes (Note 1) to be used as electrical insulation.

Note 1--Methods of testing varnished cloths and tapes are given in Methods D295.


1.2 The warp threads in fabrics are the threads that are parallel with the length dimension as manufactured.

1.3 The procedures appear as follows:

Procedure SectionASTM Test Method Reference
Breaking Strength22-28D828
Dielectric Breakdown Voltage and Di-electric Strength29-38D149, D295
Dissipation Factor and Relative Permittivity52-60D150, E104, D5032
Effect of Elevated Temperature39-45D1830
Resistance to Oil46-51D3487
Thermal Endurance68 D1830
Thread Count12-15...
Weight 9-11...
Weight Loss at Elevated Temperature61-67 D5423

1.4 The values stated in inch-pound units are to be regarded as the standard. The values in parentheses are for information only.

1.5This 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. Specific warning statement are given in 35.1.1 and 58.1


breaking strength; coated glass fabric; dielectric breakdown voltage; dissipation factor; heat aging; permittivity; thermal endurance; thread count; ICS Number Code 29.035.30 (Glass and ceramic insulating materials)

To find similar documents by ASTM Volume:

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

To find similar documents by classification:

29.035.30 (Glass and ceramic insulating materials)

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Modification Type


Publication Date

July 27, 1984

Document Type

Test Method

Page Count

10 pages

Committee Number