Industrial Innovations

A Method for Preparing Shellac Based Air-DryingType Anti-Tracking Insulating Varnish

The varnish may be used for coating of coils/armatures of electric motors, transformers etc. The varnish possesses dielectric strength of about 70-72 kV/mm resistance to tracking and transformer oil. Performance has been found satisfactory when applied on the coils of 6.6 kV 330kw electric motors and ceiling fans.

Area: Chemical Sciences

Funding agency: Department of Science and Technology (DST), Govt. of India

Implementing institute: National Research Development Corporation (NRDC), Govt. of India

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