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Is London clay any good for pottery?
A short honest answer, grounded in one wild clay dug from a Park Royal building site. For that clay, in these tests, yes for some uses, with caveats.
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What happens to clay dug from a London building site
A plain FAQ for developers and landowners on what excavated London clay costs to move, when it can be reused, and whether it is good for anything.
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How a clay matures, and where its best temperature sits.
A plain guide to what maturing means for a clay, why there is a best firing temperature, and what happens past it. Grounded in the Park Royal numbers.