Causes. 1. The coating roller and bearing precision is not enough to form a regular crossbar path; 2. When the coating roller for the active drive, the choice of speed control programme is n...

BOPP biaxially oriented film production line produces products mainly used for books, periodicals, annual report cover, cardboard, gift bags, food packaging and other appearance of three-dimensional s...

There are two major types of preparation methods for evaporated silicon oxide-based barrier packaging films: physical vapor deposition (PVC) and chemical vapor deposition (CVC). Depending on the speci...

1、 Shrinkage phenomenon The viscoelastic behavior of the polymer melt when the film is cast with a T-shaped die causes the following problems ① The width of the film narrows due to the shrinkage...

Sumino Seiko Cast Film Production Line Compared with extruded blown film, extruded cast film has the advantages of good film transparency and thickness uniformity. Cast film resins are mainly polyp...

Antirust film is the abbreviation of VCI antirust film, which is a new generation of innovative high-tech products based on the combination of polymer materials and VCI gas phase antirust technology d...

Co-extruded barrier multilayer laminated films are usually made of polyolefin resins, with polyethylene, polypropylene and other plastics being the most widely used. In addition to the moisture-proof ...

When plastic film is extruded and molded, the film blank extruded from the molding die is generally stretched in order to increase the strength and improve the transparency of the finished product. In...