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These test specimens dried overnight, which is fairly fast for our climate. That means the clay likely has relatively low levels of superfine particles (e.g. bentonite). Here, I am measuring the length of the SHAB test bars, weighing the LDW test sample and recording the crack pattern and soluble salts on the DFAC test disk. All of this data plugs into the recipe I have allocated for this project in my account at Insight-live.com, you can it here on the inset screenshot. Next I’ll set these on our staging shelf for firing in the test kiln (we accumulate test bars for 16 temperatures).
Projects |
Evaluating a clay's suitability for use in pottery
Would you like to be able to use your own found-clays in your production? Follow me as we evaluate a mystery clay sample provided by a potter who wants to do this. |
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Tests |
Shrinkage/Absorption Test
SHAB Shrinkage and absorption test procedure for plastic clay bodies and materials |
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