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Factory supplied Machining Supplier - Tungsten Copper WCu Heat Sink – Fotma

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Our goal is usually to deliver high quality items at aggressive price ranges, and top-notch service to shoppers around the entire world. We're ISO9001, CE, and GS certified and strictly adhere to their high quality specifications for Tungsten Carbide Strips, Elemental Tungsten, Titanium Dioxide Products, Our company insists on innovation to promote the sustainable development of enterprise, and make us become the domestic high-quality suppliers.
Factory supplied Machining Supplier - Tungsten Copper WCu Heat Sink – Fotma Detail:

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Tungsten copper electronic packaging material has both the low expansion properties of tungsten and the high thermal conductivity properties of copper. What is particularly valuable is that its thermal expansion coefficient and thermal conductivity can be designed by adjusting the composition of the material brought great convenience.

FOTMA uses high-purity and high-quality raw materials, and obtains WCu electronic packaging materials and heat sink materials with excellent performance after pressing, high-temperature sintering and infiltration. 

Tungsten Copper WCu Heat Sink

Advantages of Tungsten Copper (WCu) Electronic Packaging Materials

1. The tungsten copper electronic packaging material has an adjustable thermal expansion coefficient, which can be matched with different substrates (such as: stainless steel, valve alloy, silicon, gallium arsenide, gallium nitride, aluminum oxide, etc.);

2. No sintering activation elements are added to maintain good thermal conductivity;

3. Low porosity and good air tightness;

4. Good size control, surface finish and flatness.

5. Provide sheet, formed parts, also can meet the needs of electroplating.

Copper Tungsten Heat Sink Properties

Material Grade Tungsten Content Wt% Density g/cm3 Thermal Expansion ×10-6  CTE(20℃) Thermal Conductivity W/(M·K)
90WCu 90±2% 17.0 6.5 180 (25℃) /176 (100℃)
85WCu 85±2% 16.4 7.2 190 (25℃)/ 183 (100℃)
80WCu 80±2% 15.65 8.3 200 (25℃) / 197 (100℃)
75WCu 75±2% 14.9 9.0 230 (25℃) / 220 (100℃)
50WCu 50±2% 12.2 12.5 340 (25℃) / 310 (100℃)

Application of Tungsten Copper Heat Sinks

Materials suitable for packaging with high-power devices, such as substrates, lower electrodes, etc.; high-performance lead frames; thermal control boards and radiators for military and civilian thermal control devices.


Product detail pictures:

Factory supplied Machining Supplier - Tungsten Copper WCu Heat Sink  – Fotma detail pictures

Factory supplied Machining Supplier - Tungsten Copper WCu Heat Sink  – Fotma detail pictures

Factory supplied Machining Supplier - Tungsten Copper WCu Heat Sink  – Fotma detail pictures

Factory supplied Machining Supplier - Tungsten Copper WCu Heat Sink  – Fotma detail pictures


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We'll make each hard work to become excellent and excellent, and speed up our measures for standing from the rank of intercontinental top-grade and high-tech enterprises for Factory supplied Machining Supplier - Tungsten Copper WCu Heat Sink – Fotma , The product will supply to all over the world, such as: Nicaragua, Rwanda, Oman, It using the world's leading system for reliable operation, a low failure rate, it suitable for Argentina customers choice. Our company is situated within the national civilized cities, the traffic is very convenient, unique geographical and economic conditions. We pursue a people-oriented, meticulous manufacturing, brainstorm, build brilliant" business philosophy. Strict quality management, perfect service, reasonable price in Argentina is our stand on the premise of competition. If necessary, welcome to contact us by our website or phone consultation, we'll be happy to serve you.
  • The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
    5 Stars By Sahid Ruvalcaba from Sacramento - 2017.03.08 14:45
    This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By Jean Ascher from Nicaragua - 2017.03.07 13:42
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