... heating element/heater 3,Rock bottom price Spiral silicon carbide rods Silicon Carbide (SiC) heating elements is a non-metal electric ... little deformation, stable chemical property, long service life, easy installation and maintenance, etc.Usage: Silicon Carbide (SiC) heating elements can usually ... ;CZ: Length Of Cold Zone;OL: Total Length,A: Shank Spacing Order SampleU Shape, OD-20mm, HZ-300mm, CZ- ...