Several forming methods of plastic film and their advantages and disadvantages are summarized
Tape casting, blown film and calendering, the physical properties of cast films are better than blown films.
I can only talk about it in general, because it involves plastic film forming, there are too many things, and there are so many kinds of plastic film.
Plastic film forming usually blow molding, tape casting, rolling method.Blow molding is generally used to make PE films, PVC filmsThe tape casting method mainly produces BOPP film, PET film and BOPA filmCalendering to produce PVC calendering films
