Opal Flux #6500

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Western's NEW 6500 Opal Flux is a great addition to any underglaze or glaze! By itself at cone 6 the glaze drips opaque milky white, and breaks clear over texture. This is even mor e prominant at cone 10 where it streaks opaque milky white, and goes clear grey the thinner it is. Note that at cone 10 the glaze will run even more. CERTIFIED FOR SCHOOL USE K-12 Conforms to ASTM D-4236 Labeling for dinnerware. Western Glaze products conform to and are labeled in compliance with ASTM D-4236 industry labeling standards. Manufactured in compliance with testing for lead & cadmium release (ASTM C927/C738) within FDA and Prop 65 limits. Conforms to & meets the FDA’s guidelines for dinnerware safety when noted and properly used. Show more