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Henkel Adhesive Technologies

Henkel Adhesive Technologies

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Instant adhesives


General purpose, Medical Device Grade instant adhesive for heat resistance

Heat- and humidity-resistant, general purpose liquid instant adhesive qualified to Henkel's ISO 10993 Protocol for use in disposable medical devices.

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

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If you’re looking for a general-purpose medical device grade instant adhesive perfect for applications where heat resistance is required, LOCTITE® 4981 is ideal. Formulated to resist thermal cycling, it has excellent humidity resistance and can be used in the assembly of disposable medical devices.

Product category:

Instant adhesives


Agency approvals / certificates / specifications:

ISO 10993



Cure type:

Moisture cure

Key characteristics:

Humidity resistant,Viscosity: medium viscosity

Number of components:

1 part

Recommended for use with:


Specific gravity, @ 25.0 °C:


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