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Protective film of the main application areas and selection requirements
- Dec 06, 2017 -

When it comes to protective film, we are not unfamiliar, because at the moment when we open a new product, we always see a thin or thick protective film on the surface. From the functional aspects of analysis, in fact, is to protect the physical items to add a layer of film.


So far, there are quite a few types of protective film products available on the market, which can be mainly applied to metal product surfaces, coated metal product surfaces, plastic product surfaces, electronic product surfaces, automotive product surfaces, signage products Surface, profile product surface and other product surface.


Thus, the protective film has a wide range of applications in different industries. So, when choosing, what should be the standard? First of all, when packaging different items, different viscosities are required because of their different surface properties.


In other words, in the selection of protective film, the first to be protected according to the characteristics of the object to determine the appropriate viscosity standards. The main factors that affect stickiness include wetting, molecular movement and diffusion, and penetration. For example, some substances can only come in close contact with the surface of the object to be adhered after it has been well moistened.


Second, for different items, protective films of different viscosities may be needed even if their surfaces are very close. In addition, the subsequent processing steps are also closely related with the viscosity. Under normal circumstances, the follow-up processing operations include bending, stamping, cutting, drilling and thermoforming.


In addition, the choice of protective film, but also pay attention to the thickness of its size, and to ensure that the viscosity and match. But also pay attention to the protective film tensile strength and elongation to ensure flexibility and strength to meet the requirements. Of course, the best way to do this is to test thoroughly so that you can get more accurate results.