ASTM-D4733 2009(Redline)

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D4733-03(2009) Standard Test Methods for Solventless Electrical Insulating Varnishes (Redline)

Published By	Publication Date	Number of Pages
ASTM	2009	7

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Description

Significance and Use

The test methods referenced in these test methods are useful for control purposes during the manufacture and use of solventless varnishes.

1. Scope

1.1 These test methods cover solventless varnishes used primarily as electrical, mechanical, and environmental protection for electrical equipment.

1.2 These test methods are used on solventless varnishes that are applied by dipping (at atmospheric pressure conditions or under vacuum or other certain pressure), spraying, or brushing for the purpose of impregnating or sealing electrical equipment. The following test methods are included:

1.3 The values stated in inch-pound units are to be regarded as the standard. The values 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. Specific hazard statements are given in 8.3, 15.5.1, and 15.5.2.

Note 1—This test method is related to IEC 60455. Since both methods contain multiple test procedures, many procedures are technically equivalent while others differ significantly.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D93 Test Methods for Flash Point by Pensky-Martens Closed Cup Tester D115 Test Methods for Testing Solvent Containing Varnishes Used for Electrical Insulation D149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies D150 Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation D168 Test Method for Coke Residue of Creosote D374 Test Methods for Thickness of Solid Electrical Insulation D923 Practices for Sampling Electrical Insulating Liquids D1475 Test Method For Density of Liquid Coatings, Inks, and Related Products D1711 Terminology Relating to Electrical Insulation D2196 Test Methods for Rheological Properties of Non-Newtonian Materials by Rotational (Brookfield type) Viscometer D2519 Test Method for Bond Strength of Electrical Insulating Varnishes by the Helical Coil Test D3056 Test Method for Gel Time of Solventless Varnishes D3278 Test Methods for Flash Point of Liquids by Small Scale Closed-Cup Apparatus D3312 Test Method for Percent Reactive Monomer in Solventless Varnishes D3487 Specification for Mineral Insulating Oil Used in Electrical Apparatus D3636 Practice for Sampling and Judging Quality of Solid Electrical Insulating Materials D6054 Practice for Conditioning Electrical Insulating Materials for Testing

IEC Standards

IEC60455 Resin Based Reactive Compunds Used for Electrical Insulation

Keywords

bond strength; coating thickness; density; dielectric strength; dissipation factor; flash point; gel time; monomer content; permittivity; solventless varnishes; varnishes; viscosity; Bond strength–paints/related coatings; Coating thickness; Electrical insulating varnishes; Electrical properties; Gel time; Mechanical protection; Metallic coatings; Monomer content; Sampling electrical inisulating materials; Solventless varnishes; Viscosity–electrical insulating materials; Voltage

ICS Code

DOI: 10.1520/D4733-03R09 ASTM International is a member of CrossRef.

ASTM D4733 (Electrical Insulating Material Standards)

Citing ASTM Standards

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Additional information

Standard Title	D4733-03(2009) Standard Test Methods for Solventless Electrical Insulating Varnishes (Redline)
Published Code	ASTM
Publication Date	2009
Pages Count	7

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ASTM-D4733 2009(Redline)

ASTM D4733 (Electrical Insulating Material Standards)

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