Henkel Adhesive Technologies

Henkel Adhesive Technologies

Retaining compounds


Medium strength bonding for ease of disassembly

This medium strength retaining compound is designed for the bonding of cylindrical fitting parts, particularly where regular servicing is needed.

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Part no. (SKU/IDH)

LOCTITE® 641, 50 ml Bottle



When you’re working with parts that need regular dismantling – retention of bearings on shafts and in housings, for example – you need LOCTITE® 641. This medium strength anaerobic retaining compound cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration.



Fixture time:

20.0 min.

Gap fill:

0.15 mm

Key characteristics:

Strength: Medium Strength

Operating temperature:

-55.0 °C - 150.0 °C (-65.0 °F - 300.0 °F)

Recommended for use with:

Metal: Steel

Shear strength, Steel:

12.0 N/mm² (1700.0 psi)


600.0 mPa·s (cP)

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