2, PVC film
The field of PVC film is also a huge market and has a very high economic effect. After mixing and plasticizing PVC and additives, a three- or four-roll calender is used to make a transparent or colored film of a specified thickness. The film is processed by this method and becomes Calendered film. Can also be tailored, heat sealed packaging bags, raincoats, tablecloths, curtains, inflatable toys. Wide transparent film can be used for greenhouses, plastic greenhouses and plastic film. The biaxially stretched film can be used for shrink packaging because of its thermal shrinkage characteristics.
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