... advanced heating and drying technique.At present,we can produce infrared tube with diameter of tube 12mm,14mm,17mm,20mm.The ... can be customized according to the customers’requirement. Property of infrared black ceramic heater tube:This tube is made of carborundum ... wavelength of 3 μ~ 50 μ.,which the quartz tube,infrared bulb ect can not get.Purpose:Dryness:drying for leather,lumber, ...