Grog 20 Mesh, Calcined Fireclay
- Our 20M grog is a calcined Fireclay and a major grog ingredient in many clay bodies, in varying percentages.
- 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