GB/T 1981.3-2009
Varnishes used for electrical insulation.Part 3:Specifications for hot curing impregnating varnishes (English Version)

Standard No.

GB/T 1981.3-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 1981.3-2009

Replace

GB/T 11027-1999

Scope

This part of GB/T 1981 specifies the general requirements for thermosetting dipping varnishes, including performance requirements at certain high temperatures. This section applies to heat-curing dipping varnishes.

GB/T 1981.3-2009 Referenced Document

• GB 3836.3-2000 Electrical apparatus for explosive gas atmospheres-Part 3:Increased safety "e"
• GB/T 11028-1999 Test methods for the determination of bond strength of impregnating agents to an enamelled wire substrate
• GB/T 1981.1-2007 Varnishes used for electrical insulation.Part 1:Definitions and general requirements
• GB/T 1981.2-2009 Varnishes used for electrical insulation.Part 2:Methods of test*， 2009-06-10 Update
• GB/T 6109.20-2008 Enamelled round winding wire.Part 20:Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper wire,class 200
• GB/T 6109.5-2008 Enamelled round winding wire.Part 5:Polyesterimide enamelled round copper wire,class 180
• IEC 60172:1987 Test procedure for the determination of the temperature index of enamelled winding wires

GB/T 1981.3-2009 history

• 2009 GB/T 1981.3-2009 Varnishes used for electrical insulation.Part 3:Specifications for hot curing impregnating varnishes
• 1999 GB/T 11027-1999 Specification for insulating varnishes containing solvent--Specifications for individual materials--Requirements for hot curing impregnating varnishes

GB/T 1981.3-2009 Varnishes used for electrical insulation.Part 3:Specifications for hot curing impregnating varnishes has been changed from GB/T 11027-1999 Specification for insulating varnishes containing solvent--Specifications for individual materials--Requirements for hot curing impregnating varnishes.

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