The radiant oven process allows the entire coating volume to be heated simultaneously. The frequency range of infrared heat waves allows efficient absorption by the resin. When using a conventional dryer system, the temperature distribution across the thickness of the web becomes almost constant, instead of being maximum at both surfaces and minimum at the center of the thickness. This heats the material faster, evaporates the solvent faster, and cures the resin faster without other undesirable effects such as overheating or skinning (bubbles).
Machine principle: Fibers are impregnated by impregnation (a mixture of resin and solvent), with the goal of complete saturation. The fibers are graded and the solvent is evaporated using a radiant oven.
