True Blue Fuse Master Enamel fires to a lively, true blue transparent. The rich, vibrant colors and ease of application makes these enamels one of the most popular brands available. Viewed in transmitted light, these colors rival the brilliance and intensity of stained glass. All colors are inter-mixable, do not require any extra grinding and mature at 1175^o– 1250^oF. The enamels may be brushed, sponged, silk-screened, air brushed or sifted on most any type of clear or colored glass. The stock colors may be used individually or blended to create special colors for shading or fine detail. Please note: These colors are NOT approved for food-bearing surface.