... type Dia8/14 sic element rods with top quality and low price Dumbbell heating elements consist of a ... the industries of magnet, ceramics, power metallurgy, glass, and meallurgy.3)Character: Higher temperature, antioxidation, anticorrosion, increasing ... low expansion coefficient, little deformation, stable chemical property, long service life, easy installation and maintenance, etc.7. Usage: Silicon ...