dual working stations non-stop splicing twin extruders auto materials loader double surface laminating structure Main Paremeter :Film laminating width ( mm ): 350-700Film laminating thickness ( mm ): 0.015-0.05 +/-0.005Film laminating line speed ( m/min ): 30-80 ( design speed )Screw diameter x L/D ratio: Ø65x33Roller length ( mm ): 800Die head length ( mm ): 850Max diameter of unwinding & ...