As we know, overheating results in loss of performance in electronic components. It can even damage a component to its death. To avoid such risks, a proper thermal management solution is needed. Here comes into play the role of thermal interface materials. TIMs own enough capabilities to manage the rising temperatures and lifespan of components.
The commonly used amongst them are silicone and silicone-free TIMs. Various platforms debate about the best in-between silicone vs. silicone-free thermal interface materials. Which one remains solid in performance, reliability, and durability? In today’s article, we will dive into the real-time facts. These facts will assist in choosing the best as per the requirement.
Understanding Thermal Interface Materials
Thermal Interface Materials are a collection of all the thermal products. They are no less than a lifesaver for electronic components. They function to transfer the heat elements outside of components. Apart from that, they also fill the air gaps effectively. TIMs ensure stable performance, stability, and improved lifespan of components.
– Key Features:
- TIMs feature higher thermal conductivity.
- TIMs feature a wide operating temperature range.
- TIMs feature less thermal resistance.
- TIMs are the best electrical insulators.
- TIMs are easy to apply and remove.
- TIMs are reliable/stable/durable.
| Composition | Types | Compatibility |
|---|---|---|
| Base Materials | Thermal Paste | Consumer Electronics |
| Thermal Fillers | Thermal Pads | Automotive Industry |
| Other Additives | Thermal Gel | Aerospace Industry |
| Phase Change Materials | Medical Industry | |
| Thermal Tapes | Energy Industry |
Silicone vs. Silicone-Free Thermal Interface Materials
– Silicone-Based TIMs:
Silicone-based materials are one of the most commonly used types of TIMs. They use silicone as their base material. Other fillers include Aluminum Oxide, Boron Nitride, Zinc Oxide, and Silver/Graphene. This type of TIMs lasts longer with no compromise on performance parameters.
Pros:
- Silicone-based TIMs offer higher thermal conductivity.
- They offer a variety of operating temperature ranges.
- They are flexible, shockproof, and vibration resistant.
Cons:
- They produce oil after a specific time, which can damage the components.
- Silicone-based TIMs leave their space after a specific time, impacting their performance negatively.
- They are not compatible with specific components due to silicone contamination.
– Silicone-Free TIMs
Silicone-free TIMs do not use silicone as their base material. Usually, they are composed utilizing hydrocarbon or ceramic-based polymers. Specific industries prefer using silicone-free TIMs where products are sensitive to contamination. Examples include sensors, optical, and medical equipment.
Pros:
- Silicone-Free TIMs feature no risk of contamination.
- They offer higher electrical insulation with zero risk of short circuits.
Cons:
- Silicone-free TIMs are costly than silicone ones.
- They are less flexible and offer no protection from shocks.
- Silicone-free TIMs provide low thermal conductivity.
Features Comparison
A features comparison will assist in understanding silicone vs. silicone-free thermal interface materials. It will highlight the main differences and make it easy for users to choose a specific one. Still, the choice may depend upon the compatibility of both with components.
– Thermal Conductivity:
- Silicone TIMs: They feature a thermal conductivity of 1–20 W/mK, depending on the type.
- Silicone-Free TIMs: They offer less thermal conductivity, varying from 1-10 W/mK.
– Operating Temperature Range:
- Silicone TIMs: They offer a temperature range from -50°C to 250°C.
- Silicone-Free TIMS: They offer a temperature range from -40°C to 200°C.
– Electrical Insulation:
- Silicone TIMs: They don’t provide electrical insulation; however, some specific types have this feature.
- Silicone-Free TIMs: They offer electrical insulation and are safe from short circuits.
– Long-Term Stability:
- Silicone TIMs: They move out from the adjusted space because of continuous heat.
- Silicone-Free TIMs: They provide great stability against harsh conditions and last longer.
– Contamination:
- Silicone TIMs: They bleed oil due to heat after a specific time and risk contamination.
- Silicone-Free TIMs: They don’t contain silicone; that’s why there is no risk of contamination.
– Cost Factors:
- Silicone TIMs: They offer affordable price tags.
- Silicone-Free TIMs: They are a bit expensive with specific compatibility.
Where to Use Silicone TIMs?
- Where there is a need for high thermal conductivity.
- Where there is a need for flexibility.
- Where there is a need for usage in consumer electronics.
Where to Use Silicone-Free TIMs?
- Where there is a need for safety from contamination.
- Where there is a need for longevity.
- Where there is a need for electrical insulation.
- Where there is a need in the medical/defence/aerospace industry.
JiuJu’s Thermal Interface Materials:
We have been a well-known name in the thermal industry for more than 20 years. Our thermal interface materials are used widely across the globe. So far, we are handling 500+ satisfied clients from different regions and countries.
Our core products include thermal grease, thermal pads, thermal gels, and other adhesives. The quality of each product is up to the required standard. Because JiuJu complies with all the relevant certifications and documentation.
We are an approved industry from ISO International, IATF, RoHS, and UL Certification. There is an organized system of departments at JiuJu. We have an R&D team, material scientists, manufacturing experts, and upgraded machinery.
Similarly, the customer support team and storage plus delivery system are also well-organized at JiuJu. Approach us today with your product requirements and get a quotation list. Our offered rates will have discounts, benefits, and other perks.
Key Takeaways
This comparison between silicone vs. silicone-free thermal interface materials resulted in a tie. Both the TIMs have their importance in the relevant domains. Choosing a specific one relies on the requirements of the component. If components demand higher thermal conductivity, silicone TIMs will suit them well
Similarly, if components demand a containment-free solution, silicone-free is there to do the job. There are many other differences, like electrical insulation, flexibility, and longevity. But again, in the end, the ball goes into the court of products’ compatibility. Make sure to choose the relevant solution for your product carefully.
With over 20 years of experience, JiuJu is here to serve its clients by offering quality thermal interface materials. Check them out,
