... up to 15m / s or more, so the convective heat the film is extremely thin, biographyheat transfer coefficient, and fast drying. DWF ... material internal the breathable materials airflow beam. The use of heat sources can be steam, electric heating, hot blast stove and ... is mainly used for fiberboard, gypsum board, carton board, pulp film, coating, drying, and also applies to the drying of the ...