... . ISO9001, CE and RoHS certified 4. Various sizes to your needs Ceramic heater with air cooling effects, and other heating elements, ... e.g. mica heater, cast aluminum copper heater, tubuar heater, etc. 1. Cr20Ni80 resistance wire2. HIgh watt density3. ISO9001, ... is 8 W/C.Its advantages include fast speed of heating, high rate of heat utilization, excellent energy saving (energy ...