... oven and barbecue ,fan heaters and other heaters with high tempreture quality certification TUV,UL lower price 1.Performace ... paint, radiation rate stability, high temperature with no deformation, no harmful radiation, no pollution, high temperature, high resistance to corrosion, chemical ... 580 Spectral range :2.5-6 microns (with a higher radiation intensity)3.Spectral emission coefficient: 0.92 (a ...