Quartz Heater Tube Far Infrared Quartz Heater TubeResucerial Quartz Ltd is manufacturer and ... clear or unclear quartz tube,quartz tube heater,carbon Fiber Quartz Electric Heater tube ,Far infrared quartz heater for thermocouples,lamps, heater, ... This quartz heater component has strong transmission at far infrared, compared with other kinds far infrared products, when the wavelength >6Lj, radiation ...