Metal push button switch can waterproof principle

2023-06-05

Metal Push Button Switches are generally used in some wet environments, because they can be operated with wet hands, so it is safer. A good drain switch should have excellent water resistance. How does a Metal Push Button Switch make it waterproof?

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Internally, the waterproof metal touch switch is the same as other push button switches. Specially designed metal shrapnel can withstand hundreds of thousands of presses, but also can achieve very excellent key feel; All the difference is the better air tightness of the contacts on the waterproof metal touch switch. In addition to the shrapnel, also added waterproof silicone film, can tightly fill the button switch inside the gap, to ensure the integrity of the overall external structure.

Due to the need to ensure sufficient waterproof performance, the production process of waterproof metal touch switch is obviously more complex, need to go through stamping, cleaning, forming and other six processes. In addition, because the waterproof metal touch switch is generally required to meet the waterproof grade above IP67, so there are strict requirements on the processing density of accessories.

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In some relatively humid environments, it is safer to use metal pushbutton switches. There are many brands and types of waterproof button switches on the market, but in a sense, there are few Key Switches with good waterproof sealing performance.

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