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Henkel Adhesive Technologies

Henkel Adhesive Technologies

Phase change materials


Dispensable paste - low thermal impedance

Non-silicone, thermally conductive phase change material designed for high power electrical devices e.g. in power modules. Custom printable, high reliability.

All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.

Part no. (SKU/IDH)

LOCTITE® TCP 4000D, 55 cc



LOCTITE® TCP 4000D is a thermally conductive phase change material with enhanced performance and reliability - used for high power density applications on electrical devices. It applies with the ease of a thermal grease, is reworkable and repeatable. Typical assembly applications include microprocessors, GPUs, multichip modules, ASICs, IGBT, FBDIMM/Memory, lidded processor applications, and active heat sink in electronic applications.

For information on UL certifications for our Thermal Management Materials Portfolio, please reference to UL file No. E59150.

Phase change temperature:

45.0 °C

Shelf life, @ 25.0 °C:

6.0 mon.

Specific gravity:


Thermal conductivity:

3.4 W/mK

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