... manufacturing;1) Industrial Low Thermal Expansion Glass Ceramics:Color :clearused at the locations with high temperature up to 1000 °C, ... Expansion Glass Ceramics for domestic usage:color: clear & dark;for common domestic usage,such asthe top for electromagnetic range induction ... grill radiators;room heating devices,stoves,fireplace,etc. HIGH QUALITY INDUCTION COOKER TOP GLASS CERAMICS MTERIAL (MGY)