It's be mainly used for bopp film gelatinizing producing，The tape is mainly used to seal the box, seal the cover and bind the articles, and can also be used as office supplies.
Characteristics of several coating methods -
Coating technology is widely used in the coating and composite packaging of substrates such as paper and film. At present, many domestic printing and packaging machinery enterprises use coating composite equipment, and their coating types and scraping methods are relatively simple, and the application of coating technology is also greatly limited. Regardless of the coating composite equipment, the key part is the coating head, and the coating method of the coating head directly affects the quality and effect of the coating.
Glue coating type and application
Coating compound equipment is mainly used for sizing coating and composite processing of various reel substrates such as plastic film, paper, electrochemical aluminum, cloth and leather. It is widely used in various packaging fields and has broad development prospects. The coating composite equipment is roughly coated with a splitting roller, an anilox coating, and a hot melt adhesive.
Common micro gravure precision coating method --
Micro gravure coating:
The coating roller is an anilox roller, and the diameter is generally between Φ20mm-Φ50mm, so it is called micro gravure coating, which is a direction, contact coating method, that is, the rotation direction of the micro coating roller and the film film. The feed direction is reversed and the film is not pressed onto the coating roll by the press rolls. Conventional gravure coating methods, whether direct coating or reverse coating, generally have a back pressure rubber roller and an anilox roller having substantially the same diameter as the rubber. Since the film is pressed between the rubber roller and the anilox roller, there is a possibility that defects such as wrinkles and cracks appear on the coated surface, and the pressure contact points of the two rolls affect the coating quality due to factors such as mechanical and pneumatic pressure.
While micro gravure coating is a contact coating, contact coating means that there is no back pressure rubber roller, and therefore some potential disadvantages due to back pressure roller pressurization are eliminated.
Zhengzhou EAST IMPORT AND EXPORT co., ltd . ( a goulian group of company) a manufacturer and exporter for all kind of packaging machinery , like bopp tape coating machines, bopp tape slitting machines. Bopp tape core cutter, bopp tape core loader etc