... high effecient 2.Health care to human body 3.6000h service life infraed electrical milk heater SiO2>99.9% Detail ... is 1300 °c; long term used under 1200°c7. 6000h service life, with SGS, RoHs approved8. Widely used in infrared heater, cooking ... , oven, stove, baker, painting dryer, drying apparatus, dyeing, print, printer, copy ...