Chemtronics 42272 is an insulating varnish containing a proprietary blend of polyamide resins and other polymers resins. This product has good heat stability, electrical resistivity, and corrosion protection. It is solvent-based and dries to a soft, tough, pliable film. Ideal for printed circuit board (PCB) preparation, this varnish has excellent coating flexibility, offering superior adhesion to most substrates. It can also be used as an insulation coating for coils, wires, and other electrical components.