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AB Structure: In an AB film blowing machine, "AB" represents two different layers of plastic material, typically polyethylene (PE). These two layers can have different characteristics and properties, such as tear resistance, transparency, or barrier performance. The primary advantage of the AB structure is its ability to produce multi-layer films, allowing the final film product to have a wider range of functions and advantages.
Working Principle: The operation of an AB film blowing machine involves the heating and extrusion of plastic granules. First, two different polyethylene granules (A and B) are separately fed into two extrusion barrels. These granules are heated and extruded, forming two independent molten streams. These two molten streams meet at the head of the machine and are blown through a circular die, creating a multi-layer film.
Applications: AB film blowing machines are widely used to produce various plastic film products, including food packaging films, shopping bags, agricultural films, construction films, lawn films, medical films, and more. The composition of multi-layer films can be adjusted according to specific requirements to meet the performance demands of different products.
Features: AB film blowing machines typically offer high adjustability, allowing for the production of films with varying layers and thicknesses. They can also adapt to different production speeds and film widths. Due to their versatility, AB film blowing machines are highly popular in the plastic processing industry.

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