... heating elements.According to different shape, we make ROD, U, W, H, SPIRAL and DOUBLE - SPIRAL types. Diameter 8mm to ... specific properties, such as low expansion coefficient, little deformation, stable chemical property, long service life, easy installation and maintenance, etc.SiC ... Zone;OL: Overall Length, A: Shank SpacingOrder Sample of the W Shape SiC Heating ElementW Shape: OD=20mm, HZ=250mm, ...