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Membrane switches are structurally divided into two categories: tactile and non-tactile. The non-touch type usually has a flat type of non-touch type and a convex button frame (in some cases, a blind spot) and has no tactile sensation.
The color of white is bright, simple, pure and happy. White is holy and inviolable. If you add any other color white color to white, it is simple, pure and happy.
In the production practice of the membrane switch, the electrical properties such as withstand voltage and insulation resistance in the membrane switch product and the establishment of the numerical index (color tolerance) in the reproduction of the...