Shrinkage

The charts below document how our current brown stoneware shrinks after drying and firing. The first chart is for linear shrinkage, and the second is for shrinkage on a diameter.
Test pieces were made as illustrated by the orange-colored drawings.
The top row in both charts shows the starting dimension with wet plastic clay. Then, going down each column, you can read the corresponding measurement made when the test sample was bone dry, bisque fired, and glaze-fired. Measurements were made to the nearest 32nd of an inch.
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Use of the Charts: .. As an example, if you broke a glaze-fired circular lid that was 6 inches in diameter, you would need to throw a new one 7 inches in diameter to replace it. For in-between numbers, use the ratio of 7/6 to multiply by – OR – use the factor 1.1375
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Linear Shrinkage:…………..( Click on the chart to enlarge. )
Radial Shrinkage:
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2 Responses to Shrinkage

  1. I found this blog very interesting and I just wanna thank you for that. I hope you keep up the great work!

  2. I just wanna say thnx you for making this blog and keep up the good work!

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