Our 4226 Super Corona Dope is a highly insulating coating with excellent arc and corona resistance. This low viscosity, one part varnish coating is easy to use and adheres well to many substrates.

Applications & Usages

The 4226 insulates transformers, coils, motor windings, and various electric generator parts against arc and corona. As well, it protects these parts from corrosion and moisture.


  • High dielectric strength - 4 100 V/mil (dry); 3 000 V/mil (wet)
  • Excellent moisture resistant
  • Excellent finish - tough, flexible, glossy, and durable transparent coat
  • Good adhesion
Catalog Number Sizes Available Description
4226-55ML 55 mL (1.86 fl oz) Bottle
4226-1L 945 mL (1.99 pt) Can
4226-4L 3.78 L (1 gal) Can

Safety Data Sheet
Technical Data Sheet