A broad palette of colours that produce a beautiful, smooth high gloss finish and can be intermixed for custom colours. Foundations® glazes dry quickly, allowing immediate additional decorating and same day firing. Foundations® can be applied to leatherhard clay, allowing an open area for out-gassing during the firing process. Many Foundations® Opaque glazes can be fired to higher temperatures. Check the individual colour label for cone 6 results. Testing is still recommended. Certified AP non-toxic and food safe.