Thermal Adhesives

Thermal adhesives are a type of adhesive commonly used to attach a heatsink to electronic components. The glue is typically a two part epoxy resin which cures to form a strong bond. They are thermally conductive and usually electrically insulating, helping to dissipate heat from the device to prevent overheating or a breakdown.


The main function of a thermal adhesive is to ensure there is no air space between which would act as a thermal insulator. It fills in the microscopic imperfections on the heatsink and device.


There are a variety of thermal compound adhesives available that are ideal for eliminating the air gap under a heat sink. The most common types of thermally conductive adhesives are:



  • Thermal paste

  • Thermal glue

  • Thermal adhesive tape

  • Thermal Grease

  • Thermal Gap Pads


Applications


Thermal adhesives are used in a variety of industries and applications such as:



  • Heat sink bonding

  • Potting/encapsulating sensors

  • BGA die heat spreader interface

  • Chip scale packages

  • Power semiconductors


...
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Description Price Trade Name Product Material Package Type Package Size Thermal Conductivity Cure Time Maximum Operating Temperature Operating Temperature Range Minimum Operating Temperature Type
RS Stock No. 458-783
Mfr. Part No.AS1803
PHP2,768.62
Each
units
AS1803 Silicone Cartridge 310 ml 1.55W/mK 8 h +220°C -50 → +220 °C -50°C Thermal Conductive Adhesive
RS Stock No. 725-9971
Mfr. Part No.TCER75S
PHP3,148.24
Each
units
- Ethoxy Syringe 75 ml 1.8W/mK 24 h +230°C -50 → +230 °C -50°C Thermal Conductive Adhesive
RS Stock No. 725-9975
Mfr. Part No.TCOR75S
PHP2,997.38
Each
units
- Metal Oxide Syringe 75 ml 1.8W/mK 24 h +230°C -50 → +230 °C -50°C Thermal Conductive Adhesive
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