A method of forming thermoplastic plastic film, which is to extrude the plastic into a tube by extrusion, and then continuously expand it to a certain size of tubular film by blowing air into the tube.
Blown Film Method
A method of forming thermoplastic plastic film, which is to extrude the plastic into a tube by extrusion, and then continuously expand it to a certain size of tubular film by blowing air into the tube.
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