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The selection of protective film for building materials should proceed from the following aspects
- May 10, 2018 -

The choice of transparency and gloss: For the selection of the protective film of transparent floor tiles in the protective film of building materials, its light transmittance is required to be higher, and generally it should reach more than 92%. For the protective film of opaque tiles in the protective film of building materials, such as white film, it is required to have high whiteness and good opacity. In addition, the plastic film in this protective film should also have a good gloss.

 

Selection of protective film for building materials should also pay attention to the specifications and its deviations: The width, thickness and deviation of the protective film of building materials should meet the requirements, and should be uniform in thickness, small in thickness deviation in horizontal and vertical directions, and the distribution of deviation is relatively uniform. In addition, the aluminum plating thickness of the aluminized film should also meet the requirements.

 

The choice of protective film for building materials also requires attention to the choice of appearance: The surface of the protective film should be smooth, wrinkle-free, or have only a small amount of pleats, no obvious unevenness, black spots, impurities, There are no defects such as streaks, streaks, and bruises in the crystal point and the stiff block. There are no bubbles, pinholes, and cracks. The aluminized layer of the aluminized film should be uniform, and there should be no visible bright strips or yin and yang surfaces. In addition, the surface of the protective film is also required to be clean, free of dust, oil, etc.

 

When choosing protective film for building materials, it must have corresponding chemical stability: During the printing and compounding process, the protective film should be exposed to ink, adhesives, and certain organic solvents. These are all chemical substances. Therefore, the protective film It must be resistant to the chemicals that it comes into contact with so that it will not be affected.

 

After that, with regard to the selection of protective film for building materials, in addition to paying attention to the above matters, it is necessary to pay attention to the fact that the protective film of building materials should meet practical use and environmental conditions, and the maximum degree of protection and prolongation of the service life of building materials can be achieved.

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