Three-Layer Composite Tungsten Contacts

The raw materials of three-layer composite tungsten contacts:
The surface material of tungsten contacts can be pure tungsten, silver, copper, silver nickel, silver tin oxide, silver oxide cadmium and so on;
The substrate of tungsten contacts may be nickel, iron, copper, silver, silver alloy and stainless steel and so on;

Specifications
The thickness of the surface material is between0.03mm and 1.0mm;
The thickness of the substrate is between 0.08mm and 3.5mm;

Application
They are mainly used in thermostats, relays, micro-switches and circuit breakers and so on.

Advantage
The welding surface of three-layer composite tungsten contacts are nickel, iron, copper and other materials, in order to increase its welding ability, there is also a pad on the top. Jointed the welding parts by melt metal, which is Cu with stable electrical performance and low contact resistance, so their positioning is easy, their welded portions are more beautiful and environment friendly, the required heating time is shorter and so on.

 

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 Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

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