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ASTM D 3955 : 2020

Current

Current

The latest, up-to-date edition.

Standard Specification for Electrical Insulating Varnishes

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-09-2020

€49.35
Excluding VAT

Committee
D 09
DocumentType
Standard
Pages
4
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

1.1This specification covers the tests and values for electrical insulating varnishes, as supplied, which are suitable for the impregnation and treatment of electrical coils and windings applied by dip process.

1.2Varnishes, flexible or rigid, included in this specification are:

Grade DA—Air-dry

Grade DO—Organic solvent containing, baking,

Grade DM—Reactive diluent containing,

Grade DS—Silicone,

Grade DW—Water containing, and

Grade DT—Thixotropic.

1.3The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

Note 1:This specification resembles IEC 60455 in title only. The content is significantly different.

1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM D 115 : 2017 : R2024 Standard Test Methods for Testing Solvent Containing Varnishes Used for Electrical Insulation
ASTM D 93 : 2019 Standard Test Methods for Flash Point by Pensky-Martens Closed Cup Tester
ASTM D 1711 : 2011 Standard Terminology Relating to Electrical Insulation
ASTM D 1711 : 2024 : REV A Standard Terminology Relating to Electrical Insulation
ASTM D 93 : 1990 : EDT 1 Standard Test Methods for Flash Point by Pensky-Martens Closed Tester
ASTM D 3278 : 1982 : EDT 1 Standard Test Methods for Flash Point of Liquids by Setaflash Closed-Cup Apparatus
ASTM D 3278 : 2021 Standard Test Methods for Flash Point of Liquids by Small Scale Closed-Cup Apparatus
ASTM D 115 : 1998 Standard Test Methods for Testing Solvent Containing Varnishes Used for Electrical Insulation
ASTM D 3056 : 2014 : R2018 Standard Test Method for Gel Time of Solventless Varnishes
ASTM D 115 : 2017 Standard Test Methods for Testing Solvent Containing Varnishes Used for Electrical Insulation
ASTM D 1711 : 2024 Standard Terminology Relating to Electrical Insulation
ASTM D 93 : 2000 Standard Test Methods for Flash-Point by Pensky-Martens Closed Cup Tester
ASTM D 1711 : 2022 Standard Terminology Relating to Electrical Insulation
ASTM D 93 : 1985 Standard Test Method for Flash Point by Pensky-Martens Closed Tester
ASTM D 1711 : 2020 Standard Terminology Relating to Electrical Insulation
ASTM D 93 : 1997 Standard Test Methods for Flash-Point by Pensky-Martens Closed Cup Tester
ASTM D 93 : 2018 Standard Test Methods for Flash Point by Pensky-Martens Closed Cup Tester

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