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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Cone 5 = 1184°C (at 150°C/hour for the final 100°C of firing) / 2201°F ( at 270°F/hour in the final 200°F of firing)
We recommend a cone 5 firing for this clay
*First image is at cone 10 second image is wood fired*
Price Per Box
Cone 4 Average Shrinkage 11
OM #4 Ball Clay Low Fire Clay Cone 5 = 1184°C (atOld Mine #4, Mayfield, KY. A fine grained ball clay with excellent plasticity and strength. Old Mine #4 is an "industry standard" based on its popularity in both casting and plastic formed bodies. It is also widely used as a suspension aid in glazes. OM#4 ball clay is variable in nature and tends to be more vitreous than some of the more refractory ball clays that are available. It has some soluble salts which can give a brown coloration to the
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