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How to use the thermally conductive pad for managing heat transfer?

M Mehmood
League of Angels: Heaven's Fury [CPP Esprit] EN+Many GEOs

If you are looking for a guideline on how to use the thermally conductive pad for managing heat transfer, then this article is absolutely for you.

A thermally conductive pad is a heat-resistant adhesive film. It’s usually made of aluminum foil and thermally conductive adhesive, which can be used to replace the traditional thermal interface materials in electronic devices. Compared with other heat transfer methods, thermal pads have many advantages: They have good adhesion to the substrate; they are not easy to peel off from the device after cooling down, and they don’t require curing time. In addition, they’re cheaper than other thermal interface materials such as paste or grease because there is no need for curing processes or expensive equipment.

In this article, we’ll introduce you to how to use it for managing heat transfer!

What is thermal conductive pad?

A thermally conductive pad usually consists of aluminum foil and thermally conductive adhesive, which has good thermal conductivity. In order to enhance the adherence between the metal foil and substrate during the cooling process, a primer coating is added onto the surface of the substrate before curing the thermally conductive adhesive. The material composition can be adjusted according to the heating and cooling conditions.

The feature of a thermally conductive pad: Good adhesion, not easy to peel off, and cheap price!

How to use thermally conductive pad for managing heat transfer?

To use thermal conductive pad for managing heat transfer, you will need to follow the simple steps below:

#Step 1: Clean the surface of the substrate with alcohol before applying a thermal conductive pad.

#Step 2: Cut the required size of the thermal conductive pad and paste it onto the surface of the device.

#Step 3: Use a hot-air gun or hair dryer to heat the thermally conductive pad for 5-10 seconds at 200 degrees Celsius.

#Step 4: Put the device into operation and check if there is any temperature difference.

The result of the experiment: heat transfer efficiently!

In conclusion, thermally conductive pad can be used to replace thermal grease as it’s cheaper and has good adhesion. Different from paste or grease, it doesn’t require a curing process or expensive equipment

The advantages of using thermal conductive pads

There are many reasons to use thermal conductive pads for managing heat transfer, such as:

1. Cheap price

A thermally conductive pad is cheaper than paste or grease because there is no need for curing processes and expensive equipment. In addition, by using a metal foil instead of ceramic powder inside the material, the product itself will have higher thermal conductivity, which will help to improve the heat dissipation performance.

2. Good adhesion and easy to use

The metal foil on the thermally conductive pad has good adherence with the substrate, is not easy to fall off, and doesn’t require a curing process and expensive equipment. Thus, it’s a great replacement for traditional thermal interface materials such as grease or paste.

3. More efficient than thermal grease

The adhesive between the metal foil and substrate is much stronger than that of thermal grease, which will help to improve the heat dissipation performance. In addition, because it’s not easy to spread over the surface during the cooling process, the efficiency of heat transfer can be improved as well.

So far we introduced how to use the thermally conductive pad for managing heat transfer. Different from paste or grease, it’s more efficient and has good adhesion.

Where you can buy them thermal conductive pads?

You can buy thermal conductive pads online however, let’s see some points that you should keep in mind while purchasing them:

1. Check the material composition

Different kinds of materials people use in thermal conductive pads, such as boron nitride (BN), aluminum oxide (Al2O3), or silver nanoparticles/nanowires/nanotubes, etc. While different materials will have different performances when it comes to heat transfer, you can check the actual tests from the internet or research papers to see whether they can meet your requirements before purchasing them.

2. Take a look at thermal conductivity!

Different kinds of thermal conductive pads can have different thermal conductivities, which you can measure in W / m.K (watts per meter-kelvin), and a higher number means better heat transfer performance.

3. Find out where on the substrate it should be pasted on?

Different devices have different requirements on the location of the thermally conductive pads, so you need to check where you should paste them before purchasing them!

4. Check whether they will fall off during cooling process?

Some thermal conductive pads are not easy to fall off, but some do. As mentioned above, the adhesive between metal foil and substrate is much stronger than that of thermal grease, which will help to improve the heat dissipation performance.

So far we introduced how we can use them for managing heat transfer and what kind of thermal conductive pads you should choos. If you want to improve the heat transfer performance of your device, you can give them a try!

Conclusion:

This article has a detailed guideline on how to use the thermally conductive pad for managing heat transfer. You can use thermal conductive pads to replace thermal grease as it’s cheaper and has good adhesion. Different from paste or grease, it doesn’t require a curing process or expensive equipment. If you want to improve the heat transfer performance of your device, you should give them a try!

Due to the Chinese New Year holiday, we will stop taking orders on 23th, Jan. We will start to process the orders in Feb. Sorry for any inconvenience caused!


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