Specifications, comparison, reviews,
MTF-charts for lenses by Canon,
Nikon, Sony, Pentax, Olympus,
Sigma, Tamron, Carl Zeiss, etc.
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The cost of coating film production is low and easy to use
Operating principle of laminating machine:
1. The paper can be protected by using the instant coating film as the cover. After coating, the service life of the cover (or printed surface) can be prolonged, especially for students' textbooks, so the dosage is increasing.
2. The marks are not easily damaged. After being coated with instant coating film, it can increase the color effect and protect the pictures and texts printed in color without wearing them. This is beneficial to the artists of publishing houses to make various art designs according to their needs on the surface of the cover or printed matter, so it also promotes the increase of usage.
3. that is, the production of coating film is profitable. In the process of covering film, the production cost of coating film is low, easy to use and profitable, and enterprises can benefit.
The above three points make the instant coating "hot", but few people pay attention to the quality problems existing in the instant coating and its influence on the binding quality, which will be further analyzed below.
The main problems existing in the cover and page after coating with instant coating film are: blistering, buckling, uneven bending, falling off and separating, difficult storage, etc. These quality problems have not been solved for many years, and the reasons are various.