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Membrane Switch silver alloy contacts are good in other ways, but cadmium is a heavy metal. On the one hand, it is harmful to human body. On the other hand, the fusion with silver is not ideal. It forms small particles of cadmium metal on the contact surface, Membrane Circuit conducting electricity. The arc can be pulled out. Sterling silver contact is inappropriate. Good electrical conductivity, but sterling silver is soft and easily oxidized (as with silver jewelry, it will turn black over time). Soft texture, long time toggle Switch without deformation; When rust oxidation performance is poor, rust spot is easy to heat, easy to burn contacts.
We are a Membrane Keypad manufacturer engaged in Graphic Overlay, Silicone Rubber Keyboard, LED, LGF. All kinds of customization, welcome to come to consult.
Tel: 86-0769-83939816
Mobile Phone: +8618929158127
Address: Keda Film Technology Company, Dongguan, Guangdong
Website: https://www.kedamembrane.com/
Mail: zhangjianfei@dgkdmembrane.com
