“TCM” is glass ceramic with low thermal expansion and excellent heat resistance characteristics. “TCM” was originally developed for high power projector lamps and is widely used for projector lamps for many years.  “TCM” glass ceramic can be utilized for high heat resistance applications other than projectors.

・ Coefficient of thermal expansion：-1～15×10-7/K
・ Glass transition temperature：650℃
・ Thermal shock resistance temp. difference：450℃
・ Thermal conductivity：1.53W/m・K