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    How to distinguish 3D curved tempered glass film and 3D curved glass mold why we use graphite materi

    Date: 2021-03-02
    Views: 5

    How to distinguish 3D curved tempered glass film and 3D curved glass mold why we use graphite material

    Glass is made of quartz sand, soda ash, feldspar and limestone, etc. It is mixed, melted at high temperature, homogenized, processed and shaped, and then annealed. It is widely used in construction, daily use, art, instrumentation and other fields with rich variety and superior performance. Now with the development of technology, many cell phones are using 3D curved screen. To understand how to distinguish 3D curved tempered film from ordinary tempered glass film, you may want to take a look.


    1. How to distinguish between 3D curved tempered glass film and tempered glass film?


    Tempered film is generally transparent, 3D tempered screen protectors must add a layer of metal on the side and that side is curved.

    3D curved tempered glass film: the popularity of smart phones with large screens has led to the hot sale of cell phone protection film. If you want to replace a broken screen, you will encounter the following problems: 1. Expensive: it basically accounts for more than 30% of the total value of the phone; 2. It may be replaced to the screen which is not the original screen.

    In the case of cell phones with various hardware parameters constantly updated, you won’t imagine that the cell phone screen is also slowly changing from the original flat to the curved. This is mainly evolved by the overall feel and visual effect of the improvement.

    Tempered glass film, also known as tempered glass film, golden steel film, reinforced glass film, explosion-proof glass film, is a new type of screen protection material.

    The surface of tempered glass film is treated with anti-oil treatment, so that fingerprints and oil are not easy to stay on the surface, easy to clean. The thickness of the second-generation product is 0.4mm, the third-generation thickness is 0.2mm, and the surface hardness is 8-9H, which is 3 times the strength of ordinary PET. It won’t be broken by the knife and key. [1] The screen won’t be broken within 30cm/68g of floor test. It has certain toughness and can be bent to 90 degrees.


    2. Why we use graphite material for 3D curved glass mold?


    (1). Excellent thermal and electrical conductivity

    (2). Low coefficient of linear expansion and other very good thermal stability with resistance to heating shock

    (3). Resistance to chemical corrosion and not easy to react with most metals

    (4). Under high temperatures (in most copper-based sintering temperature of 800 ℃ or more), the strength increases with temperature increases.

    (5). It has good lubrication and anti-wear properties

    (6). It is easy to be processed, and it has good mechanical processing performance. It can be made into a complex shape at the same time in high precision mold.

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