Silicone cover/sleeve production process
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Ordinary silicone covers undergo the following processes
I. Preparation of raw materials
Including mixing of raw rubber, color matching, weight calculation of raw materials, etc.
Second, vulcanization molding
Adopt high pressure vulcanization equipment after high temperature vulcanization, so that the silicone raw material into a solid form.
III. Trimming
The silicone sleeve product that comes out of the mold comes with some useless burrs that need to be removed; currently, in the industry, this process is done entirely by hand.
Fourth, screen printing
This process is only used for some silicone covers with patterns on the surface of the silicone covers, black silicone covers for mobile phones, in order to facilitate the user to operate the button. It is often necessary to silk-screen the characters corresponding to the phone's keypad in the corresponding position. Or the surface needs to increase the beauty of printing some beautiful patterns.
Surface treatment
1. At present, the most surface treatment is to spray the feel of the oil, so that it can be a mobile phone case to touch up a better feel. This is the simplest surface treatment. Silicone products in the ordinary state is easy to absorb dust in the air, and has a certain stickiness. Spray a thin layer of oil on the surface of the silicone case, which can prevent dust and make sure the feel of the case.
2. Spray oil and laser engraving, silicone cover after trimming the surface of the silicone cover spray a layer of colored ink in the laser out of the pattern, and then the surface again. Spray a coat of feel-good oil. This process is currently more popular.
3. Drip glue, in the silicone sleeve has been fixed on the edge of the drop on the colored liquid glue made of patterns.
4. Color printing, in the silicone sleeve has been repaired on the printed side of any color pattern, this process can be silicone sleeve is not only beautiful and The three-dimensional feel is strong. It also feels good in the hand. It prints on every side of the silicone sleeve and the pattern is very smooth and natural.
