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Found 10 results

  1. Notes: all test samples shown are blended at 73% clay, 12% C&C ball clay, and 15% mahavir potash as a baseline: fired in oxidation. Red body is a generic term used to describe iron bearing clays that have a red hue. There are other iron bearing clays that can present as green, grey, and black; these are exceptions, not the rule for commercial bodies. The three iron sources found in natural clay are hematite, magnetite, and iron disulfide. Iron disulfide is the common iron source in the USA and Canada; however hematite and magnetite are included because they are sourced i
  2. From the album: Clay Tests

    © TJA 2020

  3. Educational Post Firing Schedule Variables There are several key issues that effect the final firing schedule selected. 1. Functional or Non-functional use. 2. Wall thickness: thrown or hand built up to 3/8". Structural starting at 1/2" up. Sculptural with varying thickness/ parts. 3. High iron/ carbon bodies vs. white body. 4. Single fire vs. bisq. For the bulk of most firings; functional or non-functional and single fire vs. bisq fire comprise most firings. The additional variable is how thick are these pieces? Several universities across the world have done studies
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