ASTM D3955-04(2009)
Standard Specification for Electrical Insulating Varnishes

Standard No.

ASTM D3955-04(2009)

Release Date

2004

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM D3955-13

Latest

ASTM D3955-20

Scope

1.1 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.

1.2 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.

1.3 The 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 18212;This specification resembles IEC 60455 in title only. The content is significantly different.

ASTM D3955-04(2009) history

• 2020 ASTM D3955-20 Standard Specification for Electrical Insulating Varnishes
• 2013 ASTM D3955-13 Standard Specification for Electrical Insulating Varnishes
• 2004 ASTM D3955-04(2009) Standard Specification for Electrical Insulating Varnishes
• 2004 ASTM D3955-04 Standard Specification for Electrical Insulating Varnishes
• 1999 ASTM D3955-99 Standard Specification for Electrical Insulating Varnishes