
As the comparison shows, FSW heat sinks are not merely an improvement but a paradigm shift. They combine the efficiency of brazing with the process robustness of mechanical attachment, while surpassing both in reliability. Although the initial cost might be slightly higher, the performance gains and reduced maintenance costs over the equipment’s entire life cycle…
Your Professional Customized Heat Sink Manufacturer and Provider in China

Product Introduction:
When selecting a thermal solution for your project, are you troubled by the limitations of traditional processes? Mechanical attachment is low-cost but has high interfacial resistance; brazing offers decent performance but carries risks of hidden defects and long-term reliability issues. Now, Friction Stir Welding represents a quantum leap in heat sink manufacturing.
We clearly demonstrate the overwhelming advantages of FSW heat sinks through a direct comparison:
| Feature | Mechanical Attachment | Traditional Brazing | Friction Stir Welding |
|---|---|---|---|
| Interfacial Thermal Resistance | High | Medium | Extremely Low |
| Bond Strength | Low, prone to loosening | Medium, brittle interface exists | High, Metallurgical Bond |
| Long-Term Reliability | Poor, degrades with thermal cycling | Moderate, solder fatigue is a risk | Excellent, High Thermal Fatigue Resistance |
| Process Consistency | Moderate | Dependent on control, prone to defects | High, Excellent Consistency |
As the comparison shows, FSW heat sinks are not merely an improvement but a paradigm shift. They combine the efficiency of brazing with the process robustness of mechanical attachment, while surpassing both in reliability. Although the initial cost might be slightly higher, the performance gains and reduced maintenance costs over the equipment’s entire life cycle result in an unparalleled Total Cost of Ownership (TCO). For applications demanding peak performance and reliability, it is the undeniable inevitable choice.
Main Product
| Item Type | Heat Sink |
| Material | Aluminum, Copper |
| Temper | T3-T8 |
| Shapes | Based on your requirements. |
| Color | Based on your requirements. |
| Technical | extrusion, skived fin, stamping, cold forging, bonded fin, die cast, liquid cold plates, folded fin |
| Application | 1. Computer fields: computer mainboard, PC, IPC, Server, PCTV, Router, Power supply (CPU cooler, VGA cooler, Cooling fan) 2. Home appliances: pico projector, electronic refrigerator, red wine cooler, LASER TV, LCD TV, LED panel, Sound, Air condition, induction cooker, etc. 3. LED lighting: stage light, high bay light, downlight, street light, automobile lamp, etc. 4. Security fields: security cameras, infrared light cameras. 5. Machines: Industry/Medical/Martial machines. |
| Finish | Anodizing, Mill finish, Electroplating, Polishing, Sandblasted, Powder coating, Silver plating, Brushed, Painted, PVDF, etc. |
| Deep process | CNC,drilling,milling,cutting,stamping,welding,bending,assembling,Custom Aluminum Fabrication |
| MOQ | Low MOQ |
| Packaging | standard export packaging or as discussed |
| Certificate | CE/SGS/ISO/Rohs |
| Service | 1. Free sample, Free design; 2. OEM/ODM available; 3. Custom-made request; 4. New design solution suggestion |
| Delivery time | 15-20 days after sample confirmed & down payment, or negotiated |
| Port | Shanghai Port |
| Our Advantage | superior quality with competitive price, Certified enterprises in China |















EIGHTBOND
aluminum is a recently born company backed by years of experience in the lighting sector specializing in the design and supply of aluminium profiles for LED strips.
EIGHTBOND
aluminum products combine high quality with excellent price and feature an Italian design.
Our extensive range of aluminium profiles together with our experience and fast delivery time make us a very competitive company able to offer a great variety of bespoke solutions.
DARKROOMANDGONIOPHOTOMETER
Innovation and technology play a key role in our company. This is why we have recently installed a Dark Room with a Goniophotometer.
Light direction and intensity depend on many aspects, such as LED’s characteristics, the distance from the diffuser, the diffuser’s material, the shape of the profileitself.
In order not to neglect these factors and provide reliable results we have tested our aluminum profiles with each diffuser. Photometric tests have been carried out using 14,4W/m and 9,6W/m LED strips with chip LED 2835.
We can also carry out photometric tests on LED strips provided by customers.
Thanks to this extremely high-tech and latest generation device we are able to provide a valid support in choosing the most suitable profile for your lighting projects.


Corporate Advantage

Packaging & Shipping
