Why Choose Our Silicone Thermal Grease？
- A decade of experience in manufacturing thermal grease, with a monthly production exceeding 500 tonnes.
- Thermal conductivity, viscosity, and operating temperature can all be customised.
- Providing a one-stop service from thermal simulation and component selection to pre-assembly
- Through thermal cycling tests, high-temperature ageing tests, and long-term dispensing stability tests
- Ensuring stable mass production and long-term supply with stable quality control
Your Reliable Silicone Thermal Grease Supplier
As an experienced thermal interface material (TIM) manufacturer, GALLOP INNOTEK supplies high-performance silicone-based thermal pastes characterised by consistent quality, flexible formulation customisation, and reliable bulk supply. Our solutions are designed to reduce thermal resistance, enhance system reliability, and support thermal management projects across power electronics, industrial equipment, LED lighting, and communications applications.
GALLOP INNOTEK provide technical support, including Thermal Simulation, CFD Simulation, OEM service (pre-assembly), and Mould Flow Analysis, alongside over 30 quality inspections to achieve long-term product reliability.
Features of Silicone Thermal Grease
Thermal conductivity ranges from 1 to 8.5 W/m·K, achieving lower thermal resistance compared to thermal pads.
High resistance, high breakdown voltage and low dielectric loss, ensuring safe operation in equipment such as power supply modules.
Balancing performance and cost, making it a more economical solution than thermal pads or phase change materials.
Maintains stable performance without failure within the temperature range of -50 to 200 ℃.
Extremely Low Contact Thermal Resistance
Silicone thermal grease is a liquid thermal interface material whose fluidity allows it to displace air during application effectively. It flows into all minute irregularities and compresses to an extremely thin layer under minimal pressure, forming a low bond line thickness(BLT). This makes silicone thermal grease irreplaceable in ultra-thin scenarios.
Customisation Capabilities
GALLOP INNOTEK offer a range of silicone thermal greases with varying thermal conductivities and operating temperatures. Options include both insulating and non-insulating formulations, alongside low-migration silicone thermal greases. You may also customise the viscosity, flow properties, fillers, and packaging of your silicone thermal paste. Our team of specialist engineers, having extensive experience across different industries, supports rapid prototyping services, providing sample testing and technical assistance.
Automated Production Adaptation
GALLOP INNOTEK’s silicone thermal grease requires no mixing or curing steps, thereby simplifying the application process. Furthermore, it is suitable for assembly methods such as dispensing, squeegee application, and screen printing, and is highly compatible with automated equipment (such as automated dispensing systems). This is better for your products to achieve greater efficiency in high-volume processing, reduce scrap rates, and attain the same quality control.
Applications of Silicone Thermal Grease
Applicable to portable and gaming devices such as mobile phones, wearables, and laptops, as well as high-performance electronic equipment such as gaming devices and servers.
Highly insulating and heat-resistant, providing thermal management for IGBT/MOSFETs, power modules, UPS/charging equipment.
Prevent accelerated light decay, reduced lifespan, and colour drift in temperature-sensitive LED equipment.
Providing efficient thermal management for RF modules and network equipment to ensure long-term operational reliability.
Ensure industrial control boards, variable frequency drives, and industrial control boards maintain performance in harsh environments, enhancing equipment vibration resistance.
Not necessarily. While a higher thermal conductivity coefficient enhances the heat dissipation efficiency of thermal grease, this is also influenced by application methods and operating conditions. Moreover, excessively high thermal conductivity can increase costs.
The thickness should fully cover the surface and any rough areas. It should be as thin as possible to minimise thermal resistance. Excessive thickness not only results in poor heat dissipation efficiency but also wastes material and is extremely difficult to clean.
Not required. Silicon-based thermal paste maintains a semi-fluid state, ensuring tight surface contact under thermal cycling and mechanical stress. This also renders it more resilient, preventing cracking.
Yes. Silicone thermal grease has a shorter lifespan compared to thermal pads or thermal paste, typically around 12 months. Once degraded, silicone thermal grease dries out and hardens, potentially becoming difficult to dispense. This necessitates timely replacement.
Most silicone thermal greases are electrically insulating, featuring high resistivity and dielectric strength. They are also safe for electronic components requiring electrical isolation. Non-insulating thermal greases are available for more specialised applications.
Yes, Insulating silicone thermal grease is widely used in high-voltage components such as power modules, IGBTs, and power supplies. When selecting a product, it is important for
you to verify the dielectric strength and insulation requirements to get a safer and more reliable operation.
What is Silicone Thermal Grease?
Silicone-based thermal grease is a thermal interface material composed of silicone oil and thermal fillers(such as aluminium oxide, zinc oxide, or boron nitride). It has fluidity and high filling capacity, effectively bridging air gaps between heat-generating components and heat sinks. By displacing air, it minimises contact thermal resistance, thereby enhancing heat dissipation efficiency. It is primarily used in products where silicon contamination is undesirable, such as CPUs, GPUs, industrial power supplies, and LEDs.
How does Silicone Thermal Grease Work?
Replace Air
Component surfaces are typically not perfectly flat, and without thermal interface materials, air can become trapped within the gaps. The thermal resistance of these air pockets is very high, impeding the transfer of heat from the component to the heat sink. This leads to heat accumulation, adversely affecting operational performance. The superior thermal conductivity of silicone thermal grease replaces the air, establishing a more efficient heat transfer pathway. This not only makes for better temperature control but also reduces the operational load on the heat sink.
Reduce Contact Thermal Resistance
Silicone thermal grease has high compressibility and fluidity, achieving better surface conformance compared to thermal interface materials such as thermal pads and thermal adhesives. Even on highly rough surfaces, Silicone thermal paste achieves satisfactory void-filling properties, minimising porosity. This further increases the thermal contact area and reduces thermal resistance, thereby enhancing heat dissipation efficiency.
Thermal Conduction
The thermal conductivity of silicone thermal paste ranges approximately between 1 and 8.5 W/m·K. You can select the appropriate grade based on your product’s thermal load requirements. We offer thermal simulation services to assist you in making a more informed choice. High-thermal-conductivity silicone thermal paste effectively absorbs heat generated during component operation and transfers it to the heat sink, thereby reducing temperatures to an optimal range. This helps your product’s performance remains unaffected by thermal fluctuations.
Silicone Thermal Grease VS Non Silicone Thermal Grease
Material Comparison
Silicone-based thermal grease typically uses silicone oil as its base material, representing the most common type of thermal grease. Silicone-free thermal grease, conversely, utilises synthetic hydrocarbon oils, ester oils, polyethers, or other non-silicone systems as substitutes for silicone oil. These formulations contain no siloxane components whatsoever, thereby eliminating any risk of silicone contamination.
Feature Comparison
Compared to silicone-free thermal grease, silicone thermal grease offers higher thermal conductivity and a longer service life. It exhibits greater resistance to high temperatures and is also more cost-effective. Silicone-free thermal grease is safer and is the preferred choice for silicone-sensitive applications. However, it is more prone to drying out and ageing, necessitating more frequent maintenance. Furthermore, due to higher production costs, it carries a higher price tag.
Application Comparison
Silicone thermal grease, whilst prone to leaching silicone oil or vapour, remains suitable for most applications. Owing to its high-temperature stability and cost-effectiveness, it may be used in conventional electronics, batteries, industrial automation, and similar contexts. Non-silicone thermal compounds, however, are specifically designated for various silicone-sensitive projects, such as delicate electronic equipment, medical devices, optical modules, aerospace components, and any products presenting contamination risks.
