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Henkel Adhesive Technologies

Henkel Adhesive Technologies

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Potting compounds


Isocyanate-based casting resin hardener

Clear brown casting hardener for mixing with various Henkel 2-part urethane casting resins.

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® CR 4300, 30 kg Hobbock/Pail 



If you need a stable hardener to mix with Henkel’s 2-part urethane-based casting resins for electrical applications, LOCTITE® CR 4300 does the job with great efficiency. This clear brown casting hardener is has a viscosity similar to motor oil (40-70) which makes it easy to work with.

Product category:

Potting compounds



Light brown

Viscosity, Brookfield - RVT, Henkel method 10, @ 20.0 °C:

40.0 mPa·s (cP) - 70.0 mPa·s (cP)

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