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2021 China New Design Alloy 825 Material - CMC CuMoCu Heat Sink – Fotma Detail:
CMC CuMoCu Material Application
Low Expansion Layers and Thermal Paths for Heat Sinks, Lead Frames, Multi-layer Printed Circuit Boards (PCBs), etc.
Heat sink material on aircraft, heat sink material on radar.

CMC Heat Sink Advantages
1. CMC composite adopts a new process, multilayer copper-molybdenum-copper, the bonding between copper and molybdenum is tight, there is no gap, and there will be no interface oxidation during subsequent hot rolling and heating, so that the bonding strength between molybdenum and copper is excellent, So that the finished material has the lowest thermal expansion coefficient and the best thermal conductivity;
2. The molybdenum-copper ratio of CMC is very good, and the deviation of each layer is controlled within 10%; SCMC material is a multi-layer composite material. The structural composition of the material from top to bottom is: copper sheet – molybdenum sheet – copper sheet – molybdenum sheet… copper sheet, it can be composed of 5 layers, 7 layers or even more layers. Compared with CMC, SCMC will have the lowest thermal expansion coefficient and the highest thermal conductivity.

Grade of CMC Cu-Mo-Cu Materials
| Grade |
Density g/cm3 |
Coefficient of thermal Expansion ×10-6 (20℃) |
Thermal conductivity W/(M·K) |
| CMC111 |
9.32 |
8.8 |
305(XY)/250(Z) |
| CMC121 |
9.54 |
7.8 |
260(XY)/210(Z) |
| CMC131 |
9.66 |
6.8 |
244(XY)/190(Z) |
| CMC141 |
9.75 |
6 |
220(XY)/180(Z) |
| CMC13/74/13 |
9.88 |
5.6 |
200(XY)/170(Z) |
| Material |
Wt% Molybdenum Content |
g/cm3 Density |
Thermal conductivity at 25℃ |
Coefficient of thermal Expansion at 25℃ |
| S-CMC |
5 |
9.0 |
362 |
14.8 |
| 10 |
9.0 |
335 |
11.8 |
| 13.3 |
9.1 |
320 |
10.9 |
| 20 |
9.2 |
291 |
7.4 |
Product detail pictures:
Related Product Guide:
"Control the quality by the details, show the power by quality". Our enterprise has strived to establish a remarkably efficient and stable team team and explored an effective excellent control system for 2021 China New Design Alloy 825 Material - CMC CuMoCu Heat Sink – Fotma , The product will supply to all over the world, such as: Armenia, Surabaya, Philadelphia, With the development and enlargement of mass clients abroad, now we've set up cooperative relationships with many major brands. We've our own factory and also have many reliable and well-cooperated factories in the field. Adhering to the "quality first, customer first, We are provideing high-quality, low-cost items and first-class service to customers. We sincerely hope to establish business relationship with customers from all over the world on the basis of quality, mutually benefit. We welcome OEM projects and designs.