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XTL sintyron laser machining al2o3 alumina ceramic insulation plate heat sink

aluminum oxide heat sinks offer a combination of thermal conductivity, lightweight design, corrosion resistance, and thermal stability that make them an excellent choice for dissipating heat in electronic devices. Their versatility and reliability make them a popular option for engineers and designers looking to improve the performance and longevity of their products.

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XTL sintyron laser machining al2o3 alumina ceramic insulation plate heat sink

Item Test Condition Unit Symbol 96% 99%
The main chemical ingredient     Al2O3 Al2O3
Bulk Density   g/cm3 3.6 3.89
Maximum Use Temperature     1450°C 1600°C
Water absorption   % 0 0
Flexural strength 20° C MPa (psi x 103) 358 (52) 550
Coefficient of thermal expansion 25-1000°C 1X 10-6/°C 7.6 7.9
Coefficient of thermal conductivity 20° C W/m °K 16 30


Product Features


Aluminum oxide heat sinks are widely used in electronic devices to dissipate heat generated during operation. They have several key characteristics that make them ideal for this purpose.

Firstly, aluminum oxide heat sinks have excellent thermal conductivity, allowing them to efficiently transfer heat away from the electronic components. This helps to prevent overheating and prolong the lifespan of the device.

Secondly, aluminum oxide heat sinks are lightweight and have a low density, making them easy to incorporate into electronic designs without adding significant weight or bulk.

Additionally, aluminum oxide heat sinks are corrosion-resistant, ensuring long-term reliability and durability. They are also non-toxic and environmentally friendly, making them a safe choice for use in electronic devices.

Furthermore, aluminum oxide heat sinks have a high thermal stability, meaning they can withstand high temperatures without degrading or losing their effectiveness. This makes them suitable for use in a wide range of applications, from computers and smartphones to power electronics and LED lighting.



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Why us?
* Professional manufacturer since 1997.
* Strict quality control on production process and tolerance.
* Free samples available
* Customized production based on your drawing or specification
* On-time delivery and reliable support and service
* Inventory available for quick shipment
* We keep confidentiality of all the drawings and business information between us.
Are you a trading company or a manufacturer?
* We are a manufaturer. 
Can you provide the free samples?
* Yes,we can offer free sample if we have it in stock,but the courier fee is to be collected.
Do you accept customized production based our specification?
* Yes,we offer OEM and ODM service. Just send us your drawing if you have it. If you don’t have a drawing, just tell us your idea, we will work out the drawing for you.

What's the delivery time?
* 7 working days for standard products 30 days for customized products. 
What is the MOQ?
* No limit to the quantity. We can offer the best proposal and solutions according to your condition.
What is the payment terms you accept?
* T/T,LC,Western Union,moneygram are acceptable.
How to deal with the faulty?
* Firstly, Our product are produced in strict quality control system and the defective rate will be less than 2%.
If there are problems with the product, we will provide free replacement.

Intention information