ASTM-D1458 › Standard Test Methods for Fully Cured Silicone Rubber-Coated Glass Fabric and Tapes for Electrical Insulation (Withdrawn 2019)

ASTM-D1458 - 2013 EDITION - CANCELLED
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These test methods cover procedures for testing fully cured silicone rubber-coated glass fabric and tapes to be used for electrical insulation. The test procedures for the following test methods are detailed: (1) breaking strength, (2) breaking strength after creasing, (3) dielectric breakdown voltage, (4) dielectric proof voltage, (5) dissipation factor and relative permittivity, (6) thermal endurance, (7) thickness, (8) thread count, (9) volume resistivity, and (10) weight. The procedures for sampling of fabric rolls, fabric sheets, tapes and strips, and test specimen preparation and conditioning are given. The test apparatus, report requirements, and precision and bias for each test are provided. The drum type gripping device and creasing apparatus for breaking strength test are illustrated. Voltage stress test shall be done for dissipation factor and relative permittivity and volume resistivity tests.

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Scope

1.1 These test methods cover procedures for testing fully cured silicone rubber-coated glass fabric and tapes to be used for electrical insulation.

1.2 The procedures appear in the following order:

Procedure

Sections

ASTM
References

 

Breaking Strength

 7

 D828

Breaking Strength After Creasing

 8

 ...

Conditioning

 5

 ...

Dielectric Breakdown Voltage

 9

 D149, D295,
  D6054

Dielectric Proof-Voltage

 10

 D1389

Dissipation Factor and Relative Permittivity

11

 D150

Sampling

 4

 ...

Thermal Endurance

15

 D1830

Thickness

 6

 D374

Thread Count

14

 ...

Volume Resistivity

12

 D257

Weight

13

 ...


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

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 9.5.1 for a specific warning statement.

Keywords

ac breakdown voltage; breaking strength; crease resistance; dissipation factor; permittivity; silicone rubber coated glass fabric; temperature index; thermal endurance; thickness; thread count; volume resistivity; weight (yield)

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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Document Number

ASTM-D1458-13

Revision Level

2013 EDITION

Status

Cancelled

Modification Type

Withdrawn

Publication Date

Dec. 15, 2013

Document Type

Test Method

Page Count

8 pages

Committee Number

D09.07