... .At present,we can produce infrared tube with diameter of tube 12mm,14mm,17mm,20mm.The overall length,power and voltage ... can be customized according to the customers’requirement. Property of infrared black ceramic heater tube:This tube is ... current,heat energy permeate through the tube,then radiate infrared with wavelength of 3 μ~ 50 μ.,which the quartz tube,infrared bulb ect can not ...