Copal Picture Varnish: Copal Picture Varnish
Copal Picture Varnish is very similar in composition to the copal varnishes used by the old masters; formulated with hard copal resin, boiled linseed oil and rectified turpentine. It creates an extremely strong but supple, very glossy film. It has incomparable lightfastness and provides excellent protection against moisture. This varnish is irreversible and cannot be removed. In a 75ml bottle.