Loctite 431 Colorless and Transparent All-Purpose Instant Adhesive


Sale price$260.00

When to Use Loctite 431 Colorless Cyanoacrylate Instant Adhesive

Use Loctite 431 for applications that require a strong, clear bond. This medium viscosity instant adhesive is excellent for applications that will have visible bond lines and require a fast bond. Use a cyanoacrylate accelerator for even faster bond speeds. 


    • Takes only a couple of seconds after application to cure 2 surfaces
    • Perfect for most substrates
    • Perfect for acidic and or porous surfaces
    • Solvent-free
    • Perfect for plastics, rubbers and metals
    • All-purpose instant adhesive
    • Suitable for porous substrates where lower viscosity may soak in
    • Perfect for small to medium sized materials.
    • Suitable for situations where the bond line is not horizontal or even
    • Medium viscosity
    • Solvent-free
    • Fixture time of 5 - 10 seconds.

    Benefits of Loctite 431 Instant Adhesive

    • Takes only a couple of seconds after application to cure 2 surfaces
    • Slower cure than Loctite 401 - allows for easy product alignment
    • No odor emitted when in use
    • Amazing gap filling capacities
    • Bonds without blooming
    • Has an increased resistance to heat and humidity


    Product Type Instant Adhesives, Adhesives
    Specific Gravity (g/l @ 25°C) 1.1
    Specific Gravity 1.1 °C
    Specific Gravity Temperature 25 °C
    Agency Approvals / Specifications ISO 10993
    Color Clear
    Cure Type Moisture Cure
    Key Characteristics Usability: Easy to Use, Gap Filling, General Purpose, Surface Insensitive, Viscosity: Medium Viscosity
    Number of Components 1 Part
    Physical Form Liquid
    Substrates Thermoplastic, Plastic: Thermoset Plastic, Metal, Elastomer, Rubber, Dry Surface, Acidic Surface
    Technology Ethyl Cyanoacrylate
    Shear Strength, Grit Blasted Steel (psi) 2300
    Shear Strength, Grit Blasted Steel (psi) 2300
    Shear Strength Unit, Grit Blasted Steel 2300
    Gap Fill (in.) 0.008
    Full Cure Temperature (°F) 77
    Full Cure Time 24 hr.
    Full Cure Temperature (°C) 25
    Fixture Time 15 sec.
    Viscosity Temperature (°F) 77
    Viscosity (Brookfield mPa.s (cP)) 900
    Viscosity Temperature (°C) 25

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