Infrared Quartz Heating Tube Infrared Quartz Heating TubeDoped with trace elements,the red quartz tube,dark red and pink red available,is ... oven,surface drying,automobile paint baking ,etc. Propertues:Infrared quartz tube doped with trace elementshas lustrous apearance,brilliant color, ... of heat processing with quartz tube. Appilication:It is another good material for far infrared heating,and also for ...