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To make Galkyd or Galkyd Lite more matte, dissolve one teaspoon of Gamblin Cold Wax in enough odorless mineral spirits to dissolve the wax completely (approximately 2 fl oz or 1/4 cup). This is the matting agent. Add 1/4 matting agent to 3/4 Galkyd to make a more matte finish. To make a lighter glazing medium, add OMS.
