Q 2. What’s the varnish?

Insulating paint is commonly referred to as varnish.It has a protective, decorative or special properties of transparent film,so it‘s also called varnish.
Resins and solvents or resins, oils and solvents are the main components.It’s easy to dry and durable.It can be brushed,sprayed,baked,and resist acids and oils.
It’s used for transformers, coils, wire impregnated or coated. There are moisture, heat, insulation, fixed, protective circuit board and aesthetic effects.