OM#4 Ball Clay is the standard clay for both clay bodies and as a glaze additive. If the recipe calls for"Kentucky Clay or Kentucky Ball Clay", use this clay. Although the original deposit has long since been exhausted, OM#4 is a consistent product blended to precise specifications. Very plastic, fairly white burning.
WARNING: Contains free crystalline silica, which could lead to silicosis or other lung diseases after very long exposure. IRAC has classified crystalline silica as a carcinogen, based on evidence of carcinogenicity in experimental animals and limited evidence of carcinogenicity to humans. Wear a NIOSH approved respirator. For further information, contact: Rovin Ceramics at 734/424.3345