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 Type Product Material Package Type Package Size Thermal Conductivity Cure Time Maximum Operating Temperature Minimum Operating Temperature Chemical Composition Dielectric Strength Odour Operating Temperature Range Physical Form
RS Stock No. 458-783
Mfr. Part No.AS1803
HK$370.62
Each
units
AS1803 Thermal Conductive Adhesive Silicone Cartridge 310 ml 1.55W/mK 8 h +220°C -50°C - - - -50 → +220 °C -
RS Stock No. 423-6792
Mfr. Part No.413774
BrandLoctite
HK$290.91
Each
units
- Thermal Conductive Compound Non-Silicone Bar 19 g 3W/mK - - - - - - - -
New
RS Stock No. 193-1151
Mfr. Part No.GF400 50ml
HK$856.97
Each
units
- Thermal Conductive Adhesive Silicone Cartridge 50 ml 4W/mK 12 h @ 25 °C +200°C -50°C - 9kV/mm - -50 → +200 °C Liquid
RS Stock No. 495-228
Mfr. Part No.142501
BrandLoctite
HK$576.40
1 Kit
Kit(s)
- Thermal Conductive Adhesive Acrylic Bottle, Syringe 18 ml, 25 ml 0.815W/mK 72 h +150°C -55°C - - - -55 → +150 °C -
RS Stock No. 503-357
BrandRS PRO
HK$86.64
Each
units
- Thermal Conductive Compound Non-Silicone Syringe 35 ml 0.65W/mK - +130°C -40°C Zinc Oxide 40kV/mm No Characteristic -40 → +130 °C Paste
RS Stock No. 725-9975
Mfr. Part No.TCOR75S
HK$302.38
Each
units
- Thermal Conductive Adhesive Metal Oxide Syringe 75 ml 1.8W/mK 24 h +230°C -50°C - - - -50 → +230 °C -
RS Stock No. 165-5582
Mfr. Part No.TPM35001K
HK$1,496.64
Each
units
- Thermally Conductive Phase Change Material - Container 1 kg 3.5W/mK - +125°C -40°C - - - -40 → +125 °C -
RS Stock No. 725-9971
Mfr. Part No.TCER75S
HK$382.58
Each
units
- Thermal Conductive Adhesive Ethoxy Syringe 75 ml 1.8W/mK 24 h +230°C -50°C - - - -50 → +230 °C -
New
RS Stock No. 725-9993
BrandRS PRO
HK$397.34
1 Kit
Kit(s)
- Thermal Conductive Adhesive Acrylic Syringe 20 ml 0.82W/mK 5 → 10 min +150°C -50°C Heptane, Methylcyclohexane, Propan-1-ol, Pyridine - Hydrocarbons -50 → +150 °C Liquid
RS Stock No. 155-8320
Mfr. Part No.TBS20S
HK$174.70
Each
units
- Thermal Conductive Compound Epoxy Syringe 20 ml 1.1W/mK 48 h +120°C -40°C - - - -40 → +120 °C -
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