During the blown film forming process of the blown film machine,poor blown film forming may occur due to a variety of factors.In general,the main reasons for poor forming are as follows:
1.The film thickness is not enough;
2.The film has wrinkles;
3.The film is sticky;
4.The film as insufficient toughness and low strength;
5.The optical quality of the film is poor;
6.Film gasification and coking;
7.The film has bubbles;
8.The film has mold or straight lines;
9.The film has imprints.
