Ceramic heater w/ air cooling effect, by cooling blower. Can have copper and ceramic pieces to disperse heat. Approval: CE Ceramic heater with ... other heating elements, e.g. mica heater, cast aluminum copper heater, tubuar heater, etc. Approval: CEThis heater is mainly used for extrusion, casting ... up to 600. The maximum surface loading rate is 8 W/C.Its advantages include fast speed of heating, high ...