These glazes are resistant to crazing, staining, knife marks, scratching, and chipping. They also have a superior resistance to degredation from alkali's (dishwashing) or acids and leaching (lemon juice, etc.). 

Recomended 2-3 Coates 
Fire to cone 6. Food safe. Non-Toxic and Dinnerware Safe. Apply to Cone 04 bisque and fire to Cone 5/6