Methods for Identifying the Quality of Thermal Grease and Key Points for Selection and Use

Thermal grease is a crucial thermal conductive material in electronic and electrical equipment. Although used in small quantities, it directly affects the heat dissipation efficiency of the equipment. Insufficient or substandard products can easily lead to equipment failure and significantly shorten its lifespan. Therefore, selecting high-quality thermal grease is paramount. TENSAN specializes in thermal conductive materials and focuses on the research and development of thermal grease, providing customized application solutions. Its products are suitable for various industries including new energy, military, medical, aerospace, shipbuilding, automotive, high-speed rail, general electronics, instrumentation, and power supplies.

I. Quickly Identifying the Quality of Thermal Grease

1. Permanence: High-quality thermal grease will not harden or crack after long-term use, maintaining a uniform paste state. Inferior products tend to dry out and crack after a period of use, and their thermal conductivity rapidly declines.
2. No Metal Corrosion: Qualified thermal grease is chemically stable and will not corrode metal components. If a product corrodes the metal substrate, it must not be used in electronic equipment, as it can easily cause hardware damage.
3. Comprehensive Protective Performance: High-quality thermal grease, in addition to its efficient thermal conductivity, also possesses shock-absorbing and moisture-proof properties, providing comprehensive protection for internal electronic components and enhancing equipment operational stability.
4. Low Oil Separation and Low Volatility: High-quality products exhibit extremely low oil separation and evaporation rates, ensuring consistently stable thermal conductivity. Inferior thermal grease is prone to oil seepage and evaporation, not only affecting heat dissipation but also potentially contaminating surrounding components.
5. Temperature Resistance and Insulation: Thermal grease must possess excellent high and low temperature resistance and reliable insulation performance. These are fundamental and mandatory indicators; failure to meet either standard renders the product unqualified and poses a safety hazard.

II. Additional Usage Reminders: 

Selecting high-quality thermal grease is only the foundation; the application method is equally crucial. Even with a superior product, improper application can significantly weaken the heat dissipation effect or even have the opposite effect.