How to produce plastic sheet?
Included the following steps: calendering melted plastic material by calenders into melting plastic film sheet with predetermined thickness, quickly chilling and setting the melting plastic sheet with chilling water, removing water from the cooled plastic film, heating the plastic film to dry out any residual water and controlling the plastic film again to a temperature from 30° C. to 85° C., and applying a pressure ranging from 1 kg/cm2 to 8 kg/cm2 on the plastic sheet while winding it into a roll. Plastic sheet produced with this method has good transparency and smooth surface without flow mark and air pit.
Post time: May-27-2022