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Grolleg Cone 6 porcelain. similar to Miller #15 with more ball clay, making it less white, more plastic and forgiving. Additional silica reduces crazing in some glazes. good for slab forming.
Grolleg Cone 6 porcelain. similar to Miller #15 with more ball clay, making it less white, more plastic and forgiving. Additional silica reduces crazing in some glazes. good for slab forming.