Infrared Quartz Heating Tube Infrared Quartz Heating TubeDoped with trace elements,the red quartz tube,dark red and pink ... is widely used in the field of far infrared heating,such as heater,sterilization tak,microwave oven,electric cooker ... Appilication:It is another good material for far infrared heating,and also for the stage lightDimensional ToleranceRange of ODWTSidingEllipticityCamber/ ...