gold twin tube shortwave ir heater for latex paper High power densities: 42/51/63.5 w/in (16/20/25 w/cm)   short time to heating-up and cooling down  energy conservation and environment protection Heated lengths can be form 100mm-3000mm Twin tube heaters, tube format 23 x 11 mm Filament temperature keep in 1800 - 2200 °C Peak wavelengths 0.9 - 1.6 µm