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Application range of protective film with different viscosity Sep 14, 2018

Application range of protective film with different viscosity


In our lives, we can be exposed to many different electronic products, such as mobile phones, computers, etc., and they have great differences in the adhesive requirements of the protective film. Some protective films can rely on static electricity. The adsorption achieves the protection of the electronic product, so that there is no residual glue on the surface of the electronic product, when we tear off the protective film on the surface. It can also maintain the aesthetics of electronic products.

Generally, the surface protective film as a screen has a certain viscosity. We can find that the choice of the surface of the different product is different for the viscosity of the protective film. Therefore, we must first understand the viscosity of the protective film when purchasing the protective film. Classification.

According to the strength of the adhesive force, the screen protective film can be subdivided into: ultra-low viscosity protective film, low viscosity protective film, medium and low viscosity protective film, medium viscosity protective film, high viscosity protective film, ultra high viscosity protective film.

1. Ultra low viscosity protective film


As the name suggests, it is one of the weakest types of adhesives compared to other protective films, with a viscosity of 0.9 N/cm. Most commonly used in organic sheet, instrumentation, display, glass lenses, plastic lenses and other products. Easy to use and easy to tear, it is very convenient to use, no residue will be left on the items. The low-viscosity protective film is stable in adhesion and better in adhesion.


2. Medium and low viscosity protective film


The adhesive force is stable, the adhesion is good, the peeling performance is good, and there is no residual glue phenomenon, and the viscosity is 1.2 N/cm. Applicable to furniture Polaroid board, stainless steel board, tile, marble, artificial stone, etc. And medium viscosity protective film use: Suitable for fine grain matte board and general difficult surface material protection.


3. High viscosity protective film


The adhesive force is stable, the adhesion is good, the peeling performance is good, there is no residual glue phenomenon, and the viscosity of the high-viscosity protective film is 1.5N/cm. Suitable for fine-grained sanding board, aluminum-plastic board, difficult-to-stick plastic sheet, etc. The ultra-high viscosity protective film has a viscosity of 1.9N/cm. It has high viscosity and uses water-based acrylic acid as pressure-sensitive adhesive. It is easy to use, easy to stick and easy to tear, and has no residual glue. It is suitable for difficult-to-bond materials such as rough-line aluminum.


We only have a better understanding of the role that different viscous protective films bring to us and its use, so that our products can protect its most beautiful side. Isn't there an old saying to say that it is necessary to make the best use of it? ", the protective film is the same, you only have to better understand it, you can buy a good protective film to protect your production products.


For more information or free sample please kindly contact us:


Vera Lee

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