ASTM-D229 1996

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D229-96 Standard Test Methods for Rigid Sheet and Plate Materials Used for Electrical Insulation

Published By	Publication Date	Number of Pages
ASTM	1996	16

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Categories: 29.035.01 - Insulating materials in general, ASTM

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Description

1.1 These test methods cover procedures for testing rigid electrical insulation normally manufactured in flat sheet or plate form. They are generally used as terminal boards, spacers, voltage barriers, and circuit boards.

Note 1For tests applying to vulcanized fibre reference should be made to Test Methods D 619.

Note 2This standard resembles IEC 60893-2, Specification for Rigid Industrial Laminated Sheets Based On Thermosetting Resins for Electrical Purpose, Methods of Tests.

1.2 The test methods appear in the following sections:

1.3 The values stated in inch-pound units are to be regarded as the standard. The metric equivalents of inch-pound units given in these test methods may be approximate.

1.4 This is a fire-test-response standard. See Sections 61 through 75, which are the procedures for burning rate and flame resistance.

1.5 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. Specific precautionary statements are given in 31.1 and 61.5.

Additional information

Bonding strength	49 to 54
Flexural properties	12 to 24
Warp or twist	77 to 82
Tensile properties	7 to 11
Insulation resistance and resistivity	41 to 46
Permittivity	34 to 40
Burning rate and flame resistance	61 to 75
Acetone extractable matter	83 to 84
Conditioning	4
Water absorption	27
Ash	56 to 60
Test	Sections
Resistance to impact	26
Hardness (Rockwell)	55
Thickness	5 to 6
Arc resistance	47
Expansion (linear thermal)	76
Compressive strength	25
Tracking resistance	48
Dielectric strength	28 to 33
Dissipation factor	34 to 40
ICS Codes	29.035.01 - Insulating materials in general

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ASTM-D229 1996

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