... coated quartz tube is used for new type quartz tube heaters. With the gold reflective side, it can save more ... the photosynthetic efficiency, reduce the uv output, improve the infrared output, like infrared intensity higher, and thereby more energy saving, and ... ,stadiums,camp sites ,painting drying ,etc Gold Coated Infrared halogen fused Quartz glass Heating Lamp with ceramic holder (CE and RoHS)