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[China Glass Net] Eyes - Observing clarity
The clarity of the architectural glass film is an important indicator of the field of view. Regardless of the color of the film, please pay attention to whether the outer contour of the object is clear through the film glass. The inferior film may have a misty feeling or even cause the outer contour of the object to be deformed. The high quality film is very high in color and clarity. There will be no foggy phenomenon with unclear vision;
Nasal smell - tear open the lining to smell
Inferior building glass film usually adopts pressure-sensitive adhesive. The performance of this glue is not stable enough, the quality is not good, and it contains a lot of benzaldehyde molecules, which will volatilize under sunlight to produce odor, while the special heat-insulating film contains almost no taste.
Hand touch - touch
The high-quality architectural glass film feels thick and smooth, and the inferior building glass film is very soft and thin, lacks sufficient toughness, and is easy to wrinkle;
Seeing - color.
The high-quality architectural glass film has high definition, and the high-quality film pigment is evenly blended in the film. It is durable and not easy to change color. It will not discolor after being scraped by the scraper during the pasting process. The color of the inferior film is in the bonding adhesive, the inner liner of the film is torn off, and then the nail is scraped off, and the color is dropped;
Wipe with chemical reagents such as alcohol, gasoline, and asphalt cleaner.
Because the inferior building glass film is only dyed by the glue layer, or only the glue layer is coated with ultraviolet shielding agent, after removing the protective layer of the film and wiping the rubber layer, the fading phenomenon can be seen, or the instrument can be tested to find that the ultraviolet ray is greatly reduced. ;
Anti-scratch.
The high-quality and high-grade membrane surface has a layer of anti-scratch layer, which can protect the membrane surface from being scratched under normal use. If there is no anti-scratch layer protection, the film will be scratched by the tool when the film is applied. The clarity of the film is reduced, which also seriously affects the life of the film. You can use your nails to scrape back and forth on the glass film (non-lining). If you can easily scratch the scratches, it must not be a good architectural glass film;
Warranty.
The building glass film has a shelf life of 10 years or more. The shelf life of the automotive glass film is 8 years or lifetime. It will vary according to the specific product, but the difference should not be too large;
Technical parameters: The parameters of general architectural glass film include light transmittance, ultraviolet blocking line rate, infrared blocking rate, total solar blocking rate, tensile strength, peeling coefficient, shading coefficient, internal and external light reflectivity, explosion-proof coefficient, service life, etc. Etc., according to these parameters to determine the thermal insulation effect of the glass insulation film, explosion-proof safety effects and prices, etc.;
Whether the outer packaging and materials of the products sold have the detailed product model, address, telephone number, website address and barcode of the original manufacturer. In addition, if you are using the original uniform publicity logo, authorized dealers can use all the original publicity logos, otherwise they will be held liable for infringement; it depends on whether there is a valid authorized distribution certificate.
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