Aluminium Heatsink
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Aluminium Heatsink
Branching Shape Heat Sink

Aluminium Heatsink Profile

Otalum stocks a wide range of extruded aluminium heat sinks and provide aluminium extrusion heat sink profiles to custom designs, available in a range of finishes. If the existing products are not suitable for your needs, our technical team can help you to design your products and realize them.


All extrusions can be supplied as cut, drilled, or machined to customer specifications. As a professional extruded aluminum heatsink manufacturer, Otalum operates the latest CNC drilling and machining centres which provide accurately machined, cost-efficient parts on short cycle-times.

What is a heat sink?

A heat sink is a component that increases the heat flow away from a hot device. It accomplishes this task by increasing the device's working surface area and the amount of low-temperature fluid that moves across its enlarged surface area.  


Why Aluminium Heat sink?

An aluminum heat sink profile is the most widely used product for thermal solutions. Following are some reasons why it is so popular.

Characteristics Of Heat Sink

Good thermal and electrical conductivity

Low density (about 2.7kg/m³)

Low weight

High strength

Easy malleability

Easy machining

Excellent corrosion resistance

non-magnetic which avoids interference of magnetic fields

Easy to recycle

When ordering, pls specify alloy, temper, length, quantity, surface finish, end-use and any special instructions regarding tolerance, delivery, packing and certification. It couldn’t be better if you can share with us your designed drawings. If you have any questions, pls contact us without hesitation. Thanks.
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Room 3/22, COFCO Group Center, Baoan District, Shenzhen, Guangdong Province, China