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Glass-Ceramic Glazes

Glass-ceramic frits are made by the controlled devitrification (crystallization) of a composition to create a homogeneous structure in a glassy matrix. Glaze employing these crystalline frits have improved hardness. Glass ceramic coatings are common on tiles because of their superior abrasion resistance compared to glazes. These materials can be lead free and thus offer a way to produce very bright colors without using encapsulated stains (utilitarian ware employing frit glass in the glaze is often very brightly colored).

Out Bound Links

  • (URLs) Technical paper on mico glass-ceramic glazes


  • (Glossary) Encapsulated Stains

    A special class of stains that enable bright and difficult-to-achieve colors in ceramic glazes. They are a recent development in glaze technology. Many companies that hesitated to use these stains in the past now use them in their biggest selling products. These stains can strongly pigment a glaz...

In Bound Links

  • (Tests) HMA - Heating Microscope Analysis for Frits
  • (Glossary) Ceramic

    A man-made solid produced by the fusion of non-metallic mineral substances in a kiln. The term 'ceramic industry' or 'pottery industry' are subjective terms that can mean different things in different circles. In recent years the field of non-oxide ceramics has become popular, thus the term 'cerami...

By Tony Hansen

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