Ganguli Ceramics manufactures Water Resistant Glass Enamels. Ganguli Ceramics supplies a range of still enamel frits and corrosion resistant frits for coating on cast iron, sheet steel, aluminum and the noble metals. The Water Resistant Glass Enamels provide durable coatings with a wide variety of colors. These enamels fuse at 450 deg. C. For soda lime glass ware and at 600 deg. C for soft drink bottles and similar uses. The glass is not carcinogenic, and so forms healthier alternatives to PET bottles