Technical parameter The rated power of the area of hot zoneª1450f¦ The ways of mark the dimensionªgc d/l/m/d D --hot zone diameter ffd-- cold end diameter M --cold end lengthff n-- the length of spray aluminium zero L-- hot zone lengthff l --total length Our sic heating elements adopt special technics and can save you energy. Silicon carbide (sic) heating element is a non-metal electric heating element made from sic as its main raw materials. It has some specific properties, such as low expansion coefficient, little deformation, stable chemical property, long service life, easy installation and maintenance, etc. Used in the industries of glass, ceramic, machinery, analysis test, semiconductor, science & research and so on.