Recommended for aquatint, Charbonnel Lamour Black Covering Varnish is a popular stop out varnish.
This black varnish dries to a hard, opaque, gloss finish. Its liquid consistency brushes easily. It can be removed with petroleum solvents.
Caution — Follow safety instructions carefully. Not suitable for use by children. Shipping restrictions apply to hazardous materials.
™ Charbonnel is a trademark.