Coloured, high strength glass ceramic, smooth on both sides, used as cooktop

摘要

The cooking hop (1) has main portion whose top and bottom portions are made up of glass-ceramic material crystal with phase high quartz mixed crystals. The transmission value of glass-ceramic material is greater than 0.1% in range of visible light. The wavelength range of glass-ceramic material is greater than 420 nm. The light transmittance of glass-ceramic material in visible region is 5%, and in infrared region is 0-85%. The coating layer (4) is applied to main portion. The coating layer is made up of metallic, metal-oxidic, inorganic, organic or nitric material.