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GR6-C - Ravenscrag Cone 6 White Glossy

Modified: 2019-03-20 16:21:38

Plainsman Cone 6 Ravenscrag Slip based white glossy glaze. It can be found among others at http://ravenscrag.com.

Material Amount
Ravenscrag Slip*40.00
Ravenscrag Slip 1000F Roast*40.00
Ferro Frit 3134*20.00
Added
Zircopax*10.00
110.00

Notes

A white base glaze with all the advantages of Ravenscrag Slip base GR6-A. It is not drab-looking like a porcelain toilet, but is vibrant and interesting on stoneware bodies. It breaks to clear on the edges of contours and has variegation. It works well with added stains, the variegation of this base (adding a little titanium dioxide) makes the color much more interesting.

Adjust the amount of zircopax as needed to adjust the degree of whiteness.

Because it contains an opacifier, this can be a base for the addition of colorants to produce pastel colors (adding them to the transparent base will produce deep brilliant colors). We recommend stains rather than metal oxides.

For mixing instructions please see the master recipe, GR6-A.

Ravenscrag white on Plainsman M340

Ravenscrag white on Plainsman M340

How do you turn a transparent glaze into a white?

How do you turn a transparent glaze into a white?

Right: Ravenscrag GR6-A transparent base glaze. Left: It has been opacified (turned opaque) by adding 10% Zircopax. This opacification mechanism can be transplanted into almost any transparent glaze. It can also be employed in colored transparents, it will convert their coloration to a pastel shade, lightening it. Zircon works well in oxidation and reduction. Tin oxide is another opacifier, it is much more expensive and only works in oxidation firing.

Ravenscrag Cone 6 GR6-C white and with 10% Mason 6006 stain

Ravenscrag Cone 6 GR6-C white and with 10% Mason 6006 stain

The body is Plainsman M340. This is a good alternative to trying to get a chrome-tin pink or maroon working.

0.5% fine granular illmenite added to Ravenscrag cone 6 clear glossy white base glaze.

Links

Firing Schedules Plainsman Cone 6 Electric Standard
Used in the Plainsman lab to fire clay test bars in our small kilns
Typecodes Ravenscrag Slip Recipes
Recipes based on Ravenscrag Slip from Plainsman Clays.
Typecodes Medium Temperature Glaze Recipes
Normally fired at cone 5-7 in electric kilns.
Recipes GR6-A - Ravenscrag Cone 6 Clear Glossy Base
This Plainsman Cone 6 Ravenscrag Slip base is just the pure material with 20% added frit to make it melt to a glossy natural clear.

XML to Paste Into Insight

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<recipe name="Ravenscrag Cone 6 White Glossy" keywords="Plainsman Cone 6 Ravenscrag Slip based white glossy glaze. It can be found among others at http://ravenscrag.com." id="76" date="2019-03-20" codenum="GR6-C" altcodenum="G2850A">
<recipelines>
<recipeline material="Ravenscrag Slip" amount="40.000"/>
<recipeline material="Ravenscrag Slip 1000F Roast" amount="40.000"/>
<recipeline material="Ferro Frit 3134" amount="20.000"/>
<recipeline material="Zircopax" amount="10.000" added="1"/>
<url url="https://digitalfire.com/recipe/76" descrip="https://digitalfire.com/recipe/76"/>
</recipelines>
<urls/>
</recipe>
</recipes>

By Tony Hansen


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