Spirit Varnish & Varnishes

¶ Spirit Varnishes. These are solutions of gum resins, like dammar and lac, in volatile liquids such as turpentine, mineral spirits, alcohol, benzole, etc., produced commonly with and without the application of heat. Shellac is the best known of the spirit varnishes. Dammar resin is the exudation of certain trees while lac from which shellac is produced is the result of the action of certain insects on trees.

Next Page: Japan Varnish.