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Henkel Adhesive Technologies

Henkel Adhesive Technologies

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Structural adhesives


Versatile liquid epoxy adhesive with excellent impact resistance

A 2-part, clear, low-viscosity liquid epoxy adhesive, which cures at room temperature and is approved for use in the medical industry.

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® EA M-31CL, 50 ml Standard Cartridge



When optical clarity and excellent structural, mechanical and electrical insulating properties are required, try LOCTITE® EA M-31CL. This 2-part, clear, colorless to slightly yellow, low-viscosity liquid epoxy adhesive cures at room temperature and forms an ultra-clear adhesive bond line with excellent impact resistance and minimal shrinkage. It can be used for a wide range of applications, including bonding, small potting, staking and laminating applications. ISO 10993 approved for use in the medical industry.

Product category:

Structural adhesives



Structural bonding

FEA (finite element analysis):

Finite strain,Viscoelastic

Fixture time:

160.0 min.

Hardener: Color:


Hardener: Viscosity, Brookfield - RVT, @ 25.0 °C:

1500.0 mPa·s (cP) - 9000.0 mPa·s (cP)

Mix ratio, by volume:

2 : 1

Mixed: Color:

Ultra clear

Mixed: Specific gravity, @ 25.0 °C:


Resin: Color:


Resin: Viscosity, Brookfield - RVT, @ 25.0 °C:

9000.0 mPa·s (cP) - 12000.0 mPa·s (cP)

Shear strength:

21.4 N/mm²

Work life:

30.0 min.

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