Japan Varnish

¶ Japan Varnishes. These are of two principal kinds: (a) Painters' japan driers which are solutions of metallic salts like manganese, red lead, litharge, etc., gums, resins, drying oil and volatile liquids like turpentine, mineral spirits, etc. Especially strong driers of this type are also made for manufacturers' use in the grinding of paints, enamels, etc. (b) Black and other colored japan varnishes which usually contain asphaltum. They are made for air drying, semi-baking and for baking at high temperatures. Automobile fender japans and enamels are of this class and a great variety of machines and machine parts are finished with these japan varnishes because they are very durable.

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