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Alberta Slip Base for cone 10 oxidation

Code: GA10x-A
Modification Date: 2015-10-30 18:59:53
Member of Group: ASX10

Alberta Slip creates a glossy transparent brown at cone 10 with the simple addition of 10% frit.

MaterialAmount
Alberta Slip Calcined45.0
Alberta Slip45.0
Ferro Frit 313410.0
 100.00  

Notes

In oxidation, Alberta Slip creates a glaze that is more transparent and lighter in color. It also melts less than in cone 10R so a little flux is needed (thus the use of the frit here). Since Alberta Slip is plastic, you need to use a mix of calcined and raw powder (see http://albertaslip.com for information on preparation of the calcine).

Alberta Slip plus 10% frit 3134 fire at cone 10 oxidation.

Calcining Alberta Slip

Calcining Alberta Slip

Calcined Alberta Slip (right) and raw powder (left). These are just 5 inch cast bowls, I fire them to cone 020 and hold it for 30 minutes. Why calcine? Because for glazes having 50% or more Alberta Slip, cracking on drying can occur, especially if it is applied thick (Alberta Slip is a clay, it shrinks). I mix 50:50 raw:calcine for use in recipes. However, Alberta Slip has an LOI of 9%, so I need to use 9% less of the calcine powder (just multiply the amount by 0.91). Suppose, I needed 1000 grams: I would use 500 raw and 500*.91=455.

Out Bound Links

XML to Paste Into Insight

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<recipe name="Alberta Slip Base for cone 10 oxidation" keywords="Alberta Slip creates a glossy transparent brown at cone 10 with the simple addition of 10% frit." id="94" date="2015-10-30" codenum="GA10x-A">
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<recipeline material="Ferro Frit 3134" amount="10.000" unitabbr="kg" conversion="1.0000" added="0"/>
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By Tony Hansen




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