... 3.High radiation power IR Quartz Tube Heating ElementGold-coated quartz heating tube is generally divided into single hole ... structure. Structure: Clear quartz tube, high temperature ceramic, heating wire, high temperature shield connect wire, pure gold-coated ... film.Life: 5000-10000 hoursAppliciation: Bridge, water-based paint, aluminum alloy wheels, floor, paint; car seat, powder, barrier, powder, ...