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Understanding Ceramic Colorants
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Flashcards
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Chrome Oxide
Color produced: Green. Recommended usage: Used for green colors in glazes, rarely used in body stains due to possible reactions.
Manganese Dioxide
Color produced: Purple to brown. Recommended usage: Used for coloring and as a flux in glazes.
Antimony Oxide
Color produced: Yellow to yellow-orange. Recommended usage: Often used as an opacifier and in yellow colorant formulations for glazes.
Cobalt Oxide
Color produced: Deep blue. Recommended usage: Used in glazes and slips.
Vanadium Pentoxide
Color produced: Yellow to green. Recommended usage: Used in glazes for producing yellows and greens, often in combination with other colorants.
Copper Carbonate
Color produced: Green in oxidation, red in reduction. Recommended usage: Can be used in both glazes and slips for green and red colors.
Zinc Oxide
Color produced: White to colorless. Recommended usage: Used to increase gloss and reduce melting temperature in glazes, can help stabilize other colors.
Nickel Oxide
Color produced: Brown to black in oxidation, green to blue in reduction. Recommended usage: Used in both glazes and clay bodies for a range of colors.
Tin Oxide
Color produced: White. Recommended usage: Commonly used to opacify glazes, sometimes used to whiten clay bodies.
Ilmenite
Color produced: Black or brown, depending on usage. Recommended usage: Used to produce blacks and browns in glazes and clay bodies.
Iron Oxide Red
Color produced: Rusty red to brown. Recommended usage: Commonly used in slips and glazes for earthy tones.
Rutile
Color produced: Variegated golden to brown. Recommended usage: Used in glazes to produce streaks and mottling effects.
Cobalt Carbonate
Color produced: Soft blue. Recommended usage: Used in glazes, less powerful than cobalt oxide, good for softer blue tones.
Titanium Dioxide
Color produced: White, can produce crystalline structures in glazes. Recommended usage: Often used to opacify glazes.
Cerium Oxide
Color produced: Colorless to yellow-orange. Recommended usage: Used to both brighten colors and as an opacifier in glazes.
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