ASTM D 3955 Standard Specification for Electrical Insulating Varnishes

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ASTM D 3955 Document Information:

Title
Standard Specification for Electrical Insulating Varnishes

ASTM International

Publication Date:
Mar 1, 2004

Scope:

This 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.

Varnishes, 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.

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

NOTE 1 - This specification resembles IEC 60455 in title only. The content is significantly different.

Keywords:

varnish, air-dry

varnish, electrical

varnish, silicone

varnish, solvent containing

varnish, thixotropic

varnish, water containing

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