Product DescriptionThis double color film blowing machine is used for blowing the various low density polyethylene(LDPE)and high density polythylene(HDPE) color stripped plastic film, etc, which are widely used for packing food, fruit, garments, textile, dailly necessities and other civil and industrial products.Characteristics: 1.The cylinder and the screw stems of made of SJ-40D*2 extruder are made of high-quality alloy steel with optimum hardness and strong corrosion resistance after precision finishing and nitrogen treatment. 2.The auxiliary machine can be freely adjusted within the limits of 700mm according to the rechnological requirements of different materials, and has fitted with a plug-in plate mechanism for making vest bag. 3.The coiling unit adopts torque motor to keep proper tension and make rolling even and roll-changing easy.