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This unit is suitable for blown polypropylene (PP) plastic film, widely used in food, clothing, textiles, daily necessities and other civilian and industrial packaging.
Features:
1. The die can rotate around 360 degrees to enhance the strength and uniformity of the plastic film.
2. Screw and barrel are made of 380CRMOALA alloy steel, which is nitrided and precision machined. It has high hardness, strong corrosion resistance and durability.
3. The die is plated hard, its structure is spiral mandrel type, the extruded molten material is uniform, and the blown film has good surface finish; the air-cooling device has a labyrinth type, and the air output is uniform, and it is cooled by circulating water. Thereby the blown film achieves optimum transparency.
4. The winding device adopts pressure friction winding or center winding, which is adjusted by torque motor, which is smooth and rewinding.
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