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December 4, 2008
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test mug for Mason stains by CorazondeDios test mug for Mason stains by CorazondeDios
This is a mug that I painted with every Mason stain I have, to see how they would work when highfired.

The colors hold up awesomely, but then, Mason stains are designed to hold their colors from cone 01 to cone 11!

I love using them!

My friend told me that when they opened the highfire kiln, everyone wanted my test pieces. She said that she was surprised that they were still here when I came to get my stuff a day after the kiln was opened.
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:iconbear48:
bear48 Featured By Owner Dec 4, 2008  Professional
I need to read more about Mason stain
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:iconcorazondedios:
CorazondeDios Featured By Owner Dec 4, 2008
Mason Stains

Mason Stains are combinations of oxides, fritted to insure uniformity of color and thus insure uniformity of results in firing. They can be used to color transparent or opaque glazes, slips, engobes or clay bodies. The stains may also be used effectively as colorants for direct brush decoration when mixed with water and a *flux. More flux is required at the lower temperatures to melt the stain. Color results will vary according to glaze composition, firing temperature and kiln atmosphere. The quantity of stain used will vary between 1%-15% depending on the depth of color required. Most of the stains will produce the color indicated and remain stable up to 2300°F in both oxidation and reduction atmospheres. Some of the colors such as pink, yellow and purple can be volatile at higher temperatures, and in reduction atmospheres. Testing is recommended to determine stability.

Calcium oxide may affect the color of many stains. For best color development, calcium carbonate (whiting) should be added to the base glaze where indicated. See reference chart for details.

As zinc is chemically combined in some of the stains, free zinc can alter or destroy the intended color. Again, for the very best color results, follow the guidelines of the code numbers listed next to the stains.

Pastel colors can be produced by adding tin or zircon opacifiers in small amounts or by using mason extenders. Stains may be combined to produce new colors. Testing is necessary.

Lead is not used in the manufacture of Mason Stains

[link]
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:iconbear48:
bear48 Featured By Owner Dec 4, 2008  Professional
Sweet

thank you
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:iconcorazondedios:
CorazondeDios Featured By Owner Dec 4, 2008
you are most welcome
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:iconmystikka:
Mystikka Featured By Owner Dec 4, 2008  Hobbyist General Artist
Nice!
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:iconcorazondedios:
CorazondeDios Featured By Owner Dec 4, 2008
thanks
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