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Let's learn about the coating of mobile phone shell!

Let's learn about the coating of mobile phone shell!

2022-06-22

Let's learn about the coating of mobile phone shell!






What is the function of the coating on the mobile phone shell? It is estimated that many people will have questions. In fact, the coating of the back cover of the mobile phone is coated on the mobile phone screen with coating liquid. After curing for a few minutes, a layer of invisible film will be formed, which can make it scratch proof, antifouling and prevent film curling. To coat the mobile phone case, a mechanical device called vacuum coating is needed. As for mechanical equipment, I won't go into details here. Here I mainly talk about the role of coating on the back cover of mobile phones.

Coating function of back cover of mobile phone:

1. brightening HD: after the liquid coating is cured, the transmittance of the nano protective layer can reach 99.99%. Maximize the true color of the screen, with higher gloss. Replace the old machine with the new one.

2. strengthen the mobile phone screen to prevent scratches: the hardness of the liquid coating protective layer can reach more than 9h theoretically, which has the effect of strengthening the scratch resistance of the mobile phone screen.

3. high protection: the liquid coating protective layer is composed of titanium dioxide and silicon dioxide, with excellent stability. It can not be decomposed by common acid-base substances, with high hardness and oxidation resistance, so that the protective layer has the functions of anti friction, anti oxidation and acid rain.

4. high sensitivity: the liquid coating protective layer closely fits the mobile phone screen, making the mobile phone touch more accurate and sensitive, and solving the problems of slow response and touch failure after the mobile phone is pasted. The coating is firm and not easy to fall off, blister or curl.

5. super durability: after liquid coating, the protective layer is completely integrated with the screen, with super oxidation resistance, so that the screen gloss can last for 1-2 years.

6. environmental protection and safety: the liquid coating is made of all environmental protection materials, non-toxic, pollution-free, acid and alkali resistant and high temperature resistant.

7. easy to clean: the protective layer of liquid coating is super strong in water transmission, and the surface oil stain is wiped clean as new.


After the object surface is coated with vacuum coating machine, it can prevent oxidation more effectively than ordinary electroplating. However, if the vacuum coated product is exposed to the air for a long time, it is still difficult to resist the contact of strong corrosive substances such as acid and alkali. Therefore, in normal maintenance, try not to use cleaning agents with strong acid-base or decontamination ability, such as toilet cleaner, paint remover, metal cleaner, etc., And it can be gently wiped with industrial alcohol and flannelette. If there is dirt on the surface, it should also be treated with weak acid and weak alkali solvent. In addition, if exposed to harsh environment or corrosive liquid for a long time, PVD film is easy to fall off, such as swimming pool (containing fluorine), seawater (containing much salt), high temperature and high humidity (steam), etc.

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