M340S Plainsman Clay, 20 kg

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$31.10
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$31.10
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63 in stock

Size: Carton

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⚠️Warning! Clay may freeze while in transit to, from and through cold climates. We will only ship clay at the customer’s risk during cold months. Placing an order for clay acknowledges and accepts this statement.

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Characteristics of this clay body
Same as M340 with added manganese to give a brown speckle in oxidation firing.

February 2023 -REVISED- Previous versions of M340S had a tendency to bloat when fired to cone 6 or when fired in slow firings at cone 5. This newly revised version has been reformulated to widen it's temperature range and mature at cone 7.

The clay in dry and pugged form are darker in raw color (prior to firing) than the current M340S version. On the wheel, this new body is smoother and more plastic (because it throws better you will be able to make ware thinner and lighter). The dry shrinkage is a little higher but the firing shrinkage is less so the size of your fired ware should not change. All in all, this new body is much better, there should be no concerns with glazes, fired ware should appear the same as before.

Packaging

Plainsman moist clays are water-based and packaged in a 20 kg (44 lb) box. Each box contains two individually bagged 10 kilogram pugged blocks. Plainsman Clays are ready to use out of the box, no preparation is required. 

Forming and Drying
Plainsman clays can be used in a variety of forming techniques. Hand building, slab building, and wheel throwing are just a few. Once shaped, slow and even drying is required. Once your piece is completely dry it's ready to fire in the kiln.

Firing
The tile displayed is the final fired result at cone 5. If glazing, bisque fire first and apply a glaze from the same temperature range and fire to the glaze manufacturer's suggested cone.
 

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