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Copper Oxide, Black - CuO

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Copper Oxide, Black

One of the oldest colorants used by potters. It is a popular source of copper in glazes and glass. It can act as a strong flux. It is the most stable form of oxidized copper. Copper normally produces green colors in amounts to 5% where it moves toward black like in Oribe glazes. In reduction firing, it turns to Cu2O and gives vibrant "Copper red" hues.

Warning. This product can expose you to chemicals including crystalline silica (airborne particles of respirable size), which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov Health Hazard Warning
  • Please handle all raw materials with safety in mind. The Dry form of all clay, glaze, and raw materials can expose you to hazards when not handled properly.
  • When handling and mixing DRY ceramic materials and powders, wear a full breathing respirator, eye protection, and gloves to protect your lungs and hands
  • PROP 65 WARNING FOR RESPIRABLE SILICA
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