Practice question · Estimate
Roughly what percentage does a typical stoneware body shrink in total, from plastic to fired?
Estimate on a scale from 0% (0) to 30% (30).
Hints
- It shrinks twice, on drying and on firing.
- Around four to eight per cent at each stage.
Show the answer
12 (answers within ±4 count)
Why
Around 12 per cent: four to eight at each of the two stages. The number is a property of the specific body rather than a constant, which is why a marked test bar is fired before any piece that has to reach a required finished size.
Practise Clay: What It Is and Why It Shrinks
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