MG Chemicals 4226-55ML Insulating Varnish, Clear, Bottle, 1.86 fl oz.

• 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

4226 is a highly insulating varnish with excellent arc and corona resistance. It is a low viscosity, 1-part coating that is easy to use and adheres well to many substrates.

This PCB varnish coating protects transformers, coils, motor windings, and various electric generator parts against arc, corona, corrosion, and moisture.