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Silicone button production process:
1. Material Preparation (also known as rubber mixing, raw material preparation, etc.): This includes the mixing of raw rubber, the color matching, and the weight calculation of the raw materials.
Section Two: Vulcanization Molding (also known as Oil Pressure Molding): This process involves using high-pressure vulcanization equipment to heat-vulcanize silicone raw materials into a solid state.
III. Silkscreen Printing: Full-sheet silicone buttons (higher efficiency in full-sheet printing) are printed with various function symbols. They can be printed in multiple colors and can be engraved with a laser engraver. After printing, they are baked in an oven to dry the ink, ensuring that the color does not fade, making them more durable and wear-resistant.
Fourthly, the process of trimming (also known as processing or deburring) involves removing any useless burrs or shavings after the full-sheet printing is completed. In the industry, this step is entirely manual, although some factories also use a punching machine to complete the task.
V. Surface Treatment: Surface treatment includes using a gas gun to remove dust and adhered impurities.
Section 6: Injection of Oil: Silicone products are easily susceptible to absorbing dust from the air and have a certain degree of stickiness in their ordinary state. By spraying a thin layer of tactile oil on the surface, it can prevent dust and ensure the tactile feel, followed by a second baking after the oil is applied.
7. Other: Other processes include additional functions given to silicone buttons by merchants, such as drop casting, laser engraving, P+R synthesis, optimization of packaging, and assembly with other materials and components.
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