Calendered film of polypropylene resin - Inteplast Corporation
The process is similar to the treatment set forth in Example 1 except that the temperature of the kneader is 190° C., the temperature of the two-roll mill is 185° C., the temperatures of the last calendering roll and the five take-off rolls are 219°, 140°, 125°, 125°, 110° and 110° C., respectively, and the area multiplication factor is 5.