... the manufacturing;1) Industrial Low Thermal Expansion Glass Ceramics:Color :clearused at the locations with high temperature up to 1000 °C,such ... as vision window,etc.2) Low Thermal Expansion Glass Ceramics for ... for kebab grill radiators;room heating devices,stoves,fireplace,etc. HIGH QUALITY INDUCTION COOKER TOP GLASS CERAMICS MTERIAL (MGY)