... of ceramic infrared heater 2,ceramic heaters infrared 3,Cr20Ni80 resistance wire 4,OEM 230V 150W small square ceramic infrared heater ... ,122*60mm,60*60mm b) yellow, black, whitec) OCr20Ni80 resistance wire Ceramic infrared heater is made out of ceramics.1 ... : The rated working voltage ≤ 5%6. Cold insulation resistance: 500V megger> 2mΩ7. Thermal insulation resistance: 500V megger> 0.5mΩ8. Use life> ...