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Adhesives, Paints, and Varnishes: Sandarac

Sandarac Varnishes. - Sandarac or lac varnishes containing a considerable amount of sandarac are very hard and and their use is limited. They may be softened by the addition of gum elemi or Venetian turpentine. To make a hard white sandarac varnish, dissolve 11 pounds of sandarac in 1 quart of 95 per cent alcohol. Add pint of pale turpentine varnish. Mix and let stand 24 hours.

Or dissolve 3 ounces of sandarac, 1 ounce of shellac, and 2 ounces of resin in 16 ounces of 95 per cent alcohol.

Add 2 ounces of oil of turpentine.