... the film is extremely thin, biographyheat transfer coefficient, and fast drying. DWF Series belt dryer for the airtight class ... carton board, pulp film, coating, drying, and also applies to the drying of the sheet material and some special materials. StructurePrincipleBelt dryer, ... . Applications The belt dryer is a common continuous drying equipment, and can be widely used in the chemical, food, ...