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Zirconium Encapsulated Stains


The individual particles of these stains have been coated with a refractory layer to enable them to resist being taking into solution in the melting glaze. They thus have a recommended maximum firing temperature and time. This strategy makes it possible to use materials like cadmium with less potential leaching in the fired glaze. However large amounts of these stains must be added to a glaze to achieve the color and they are very expensive.

Although these are zirconium encapsulated the manufacturers still say: The product is considered to be hazardous under OSHA standard 29 CFR 1910.1200. It is a skin, eye, and respiratory irritant.

In Bound Links

  • (Materials) Red Stains
  • (Hazards) Zirconium Compounds Toxicity

    The hazards of these materials in the ceramic industry and process

  • (Materials - General) Selenium
  • (Project) Stains

    We make no attempt to classify or compile stains available here, there are too many. Individual stain manufacturers offer huge ranges of different colors and color systems (the same color can often be...


By Tony Hansen




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