LOCTITE® EA M-31CL

Features and Benefits

2-part, clear, colourless to slightly yellow, low viscosity, liquid epoxy adhesive which cures at room temperature once mixed. ISO 10993 approved.
LOCTITE® EA M-31 CL is a 2-part, clear, colourless to slightly yellow, low viscosity, liquid epoxy adhesive which cures at room temperature once mixed, to form an ultra-clear adhesive bondline with excellent impact resistance and minimal shrinkage. Typical applications include bonding, small potting, staking and laminating applications. ISO 10993 approved for use in the medical industry.
  • ISO 10993 approved for use in the medical industry
  • Room temperature cure after mixing
  • Mix ratio Resin: Hardener (by weight) 100 : 46, (by volume) 2 : 1
  • Resistant to a wide range of chemicals and solvents and has excellent dimensional stability over a wide temperature range
  • Suitable where optical clarity and excellent structural, mechanical and electrical insulating properties are required
  • Bonds most materials including glass, optical fibres, ceramics, metals, and many rigid plastics
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Technical Information

Applications Structural bonding
FEA (finite element analysis) Finite strain, Viscoelastic
Fixture time 160.0 min.
Mix ratio, by volume 2 : 1
Shear strength 21.4 N/mm²
Work life 30.0 min.
Mixed
Colour, Mixed Ultra clear
Specific gravity, Mixed @ 25.0 °C 1.07
Resin
Colour, Resin Clear
Viscosity, Brookfield - RVT, Resin @ 25.0 °C Spindle 6, speed 20 rpm 9000.0 - 12000.0 mPa·s (cP)
Hardener
Colour, Hardener Clear
Viscosity, Brookfield - RVT, Hardener @ 25.0 °C Spindle 5, speed 20 rpm 1500.0 - 9000.0 mPa·s (cP)