Mayco’s Stoneware Glazes are formulated to be friendly to the user in application and firing. They feature a broad pallet of colors and variety of surfaces. Wide Temperature Range - Designed to fire at Cone 6 but can be successfully used at Cone 10, oxidation or reduction. Testing at the higher ranges is recommended. Glaze Compatibility - Stoneware glazes work well with each other and other Mayco glazes, providing endless opportunities to combine and layer to create intriguing visual effects.