Super Lube Specialty Products Guide: Heat Sink Compound for Thermal Management
Super Lube Specialty Products Guide: Heat Sink Compound for Thermal Management
Not every maintenance problem is about reducing friction or preventing corrosion.
Some components, particularly electronic and electrical parts, generate significant amounts of heat during operation. When that heat cannot be transferred away efficiently, temperatures can rise and place additional stress on heat-sensitive components.
This is where Super Lube's Specialty Products category includes a different type of solution: Heat Sink Thermally Conductive Compound. Rather than functioning as a conventional grease or oil, this compound is designed to improve the transfer of heat between a heat-generating component and a heat sink or chassis.
1. Heat Sink Thermally Conductive Compound
What is it used for?
Super Lube Heat Sink Thermally Conductive Compound is a non-curing silicone-based thermal compound blended with fine, thermally conductive metal oxide powders.
Its primary purpose is to help transfer heat away from electronics and electrical components by improving the contact between the heat-generating device and the surface that is intended to carry that heat away.
When two surfaces meet, microscopic imperfections can leave small air gaps between them. Air is a relatively poor thermal conductor compared with the materials used in dedicated heat-transfer systems. The compound helps fill these surface imperfections, creating a more effective thermal path between the component and the heat sink or chassis.
Super Lube specifically lists applications involving:
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CPUs
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Heat-generating electronic components
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Mechanical heat sinks
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Semiconductors
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Power diodes
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Transistors
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Thermocouple wells
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Automotive electrical components
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Alternators
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Regulators
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Rectifiers
The product can also be used to fill surface imperfections between a CPU and heat sink to help prevent air pockets and improve heat transfer.
Why is the formulation important?
The compound is designed to remain stable during operation rather than hardening, drying out or melting.
Super Lube describes the formulation as having low bleed, meaning the non-curing silicone material is engineered to remain adhered to the surfaces rather than excessively migrating or separating over time. The technical data sheet also identifies the compound as thermally stable and compatible with rubber and plastic.
Another important property is its high dielectric strength. Super Lube states that the compound provides insulation and helps prevent arcing or tracking between electrical components operating at high voltages.
The published temperature range is -40°F to 500°F (-40°C to 260°C), making the compound suitable for applications exposed to a relatively wide range of operating temperatures. Super Lube's technical data sheet lists a thermal conductivity of 2.174 W/m·K under the specified test method.
How is it applied?
The application is relatively straightforward, but the surfaces should be prepared properly.
Super Lube recommends cleaning and drying the area before application. The compound should then be applied to the base of the device case so that it creates complete contact between the device and the heat sink or chassis. It can be reapplied as necessary.
The objective is not to apply a thick layer simply for the sake of adding more compound. The purpose is to create an effective thermal interface between the two surfaces.
This makes the product particularly relevant when thermal management and efficient heat transfer are more important than conventional lubrication.
Product in this group at Factoval:
98003 – Super Lube Heat Sink Thermally Conductive Compound, 3 oz Tube
Super Lube also lists larger package sizes of the same compound, but 98003 is the 3 oz (85 g) tube format offered in this product family.
Choosing the Right Super Lube Specialty Product
Super Lube's Specialty Products category includes solutions for applications that require more than conventional lubrication.
For electronics and electrical components that generate heat, Heat Sink Thermally Conductive Compound is designed to improve the thermal connection between the component and its heat sink or chassis.
The right application starts with identifying the heat-generating component, the heat sink or thermal interface involved, and the operating conditions of the equipment. Using a compound specifically designed for thermal transfer can help improve heat management and provide the thermal interface the application requires.
For more practical information about industrial products, specialized applications and maintenance solutions, stay tuned to the Factoval blog.