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How to protect the characters on the surface of silicone keys effectively?

2021-06-30
Latest company news about How to protect the characters on the surface of silicone keys effectively?

Silicone buttons are one of the most commonly used silicone products in our daily life. Silicone buttons are used on various remote control control panels. Silicone keys can be used for 3-5 years under normal conditions and withstand hundreds of thousands of hits. But the reason why we had to replace the silicone keys is that the characters on the surface are worn out and become very unclear, which brings trouble to our normal use. Today we will introduce some methods to protect the characters on the surface of the silicone keys.

 

Conventional silicone button printing surface characters use screen printing technology, which can cover ink on the surface to print all kinds of characters in various colors to achieve the printing effect. Silk-screened products are beautiful and inexpensive, but they are widely used, but there is an obvious disadvantage, that is, the characters are easily worn out and become very unclear after long-term use, which affects normal use.

 

In order to prevent the characters from being worn out, silicone manufacturers generally use PU ink and glue technology to protect the characters and prolong their service life.

 

1. The surface of the keys is sprayed with PU ink

After the silicone button screen printing is completed, a layer of PU ink is sprayed on its surface to form a protective layer. The protective layer can effectively protect the characters and prolong their service life. In addition to protecting the characters, PU ink can also greatly improve the hand feel and bring a more comfortable use experience, so it is also called hand-feel oil.

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2. Epoxy resin dispensing process

After the characters are screen printed on the keys, drop high-purity epoxy resin on the surface of the silica gel keys and leave it for a period of time to form a crystal block effect. The characters protected by the resin are almost unlikely to be worn off, and the resin also prevents the surface from being dirty. For beautiful. However, the process is complicated and costly, and it is mostly used for industrial button buttons, which can effectively avoid the erosion of sweat stains and the abrasion caused by high-frequency use.

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