The line is combined with many international high and new patented technology such as:1. Latest double mixing screw;
2. Forced feeding barrel;
3. Central material supplying system;
4. Automatic film profile detecting system;
5. Automatic film profile thickness adjusting control system (automatic air ring);
6. Continuous gravimetric measurement and control system for preciously controlling the thickness proportion of each layer;
7. Seven-layer coextruded planed stackable streamline die head;
8. IBC (Internal bubble cooling) system;
9. Horizontal reversing haul-off system;
9. Film thickness probe;
10. Dual-photoelectric automatic central web guiding system;
11. Fully automatic dual-slitter and dual-winding gap winder with tension control;
12. Computer integrated control, etc.
The line is made to produce symmetry or unsymmetry barrier film with high barrier performance, high mechanical strength and good transparency property. The barrier of the film can be up to three layers. It is an ideal high barrier and high performance package material for food, agricultural and sideline products, medical treatment (taking orally and injection medicament, blood, medical apparatus) pesticide, chemical industrial products,daily articles and war industry articles.