Among the many performance properties (viscosity, thickness, color, stretchability, light transmittance, etc.) of the protective film, there is a weather resistance, as the name suggests is the tolerance to the environment and climate. Then why should the protective film emphasize this property? What effect does weather resistance have on the quality of the protective film?
During the use of the protective film, the finished product will be directly exposed to the sun, which may take up to six months to one year.
In such a process, there is generally no case where the protective film is stained, but there may be a change in performance.
Even need to be stored in airtight container for a few months to cross the ocean.
The environment encountered by the protective film is actually quite bad.
The protective film has excellent mechanical properties.
In use, it meets the tensile strength, modulus of elasticity, elongation, etc. required by the user.
The protective film is inert to the surface of the material to be protected, and has an excellent adhesion function to the material to be protected.
During the material transfer and processing, the protective film does not rise and fall.
The protective film has good weather resistance and stability of holding force.
After several days or a long time, the peeling force is not significantly increased, and it is easy to remove.
When removed, no residual glue remains on the protected surface, and no shadow is left.
After protective film has been used for a period of time, its overall performance is outstanding, but its two ends are tilted up.
The primary reason for this phenomenon is that protective film is over stretched during the application process.
And after the protective film is applied, it is exposed to a high temperature environment, which causes unnecessary retraction.
This problem of protective film is mostly found in southern China.
Therefore, in the production process of the protective film, attention should be paid to the influence of the environmental temperature difference on the application of protective film, and avoid unnecessary stretching during the application of protective film.
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