loctite ea 9497

Loctite EA 9497

Cure type:
Room temperature (ambient) cure
Hardener: Casson viscosity, cone & plate, @ 25.0 °C:
8.0 Pa∙s – 24.0 Pa∙s
Hardener: Color:Gray
Mix ratio, by volume:2 : 1
Mix ratio, by weight:100 : 50
Mixed: Pot life, @ 25.0 °C:165.0 min. – 255.0 min.
Mixed: Shear strength, Mild Steel (grit blasted):20.0 N/mm²
Mixed: Thermal conductivity:1.4 W/mK
Number of components:2 part
Resin: Casson viscosity, cone & plate, @ 25.0 °C:5.0 Pa∙s – 16.0 Pa∙s
Resin: Color:White

Overview

Loctite EA 9497 is a two-component, high-temperature epoxy adhesive designed for structural bonding of metals, ceramics and rigid plastics.

It cures at room temperature (or faster with gentle heat) to form a high-strength, rigid bond line with excellent gap-filling capability and long-term resistance to elevated temperatures and many industrial fluids.

Choose Loctite EA 9497 when you need a durable, heat-resistant structural adhesive rather than mechanical fasteners or welding for joining dissimilar materials.

Key Features & Benefits

  • High-temperature resistance
    Maintains bond integrity in elevated-temperature environments, suitable for many thermal cycling applications.

  • High structural strength
    Provides rigid, load-bearing bonds for metal and composite assemblies, helping reduce or replace mechanical fasteners.

  • Excellent gap filling
    Paste-like consistency bridges irregular or poorly fitting joints, making it ideal for repair, shimming and potting of small areas.

  • Good adhesion to metals and ceramics
    Formulated to bond steel, aluminum, cast metals, ceramics and many rigid plastics (after proper surface preparation).

  • Low shrinkage on cure
    Minimizes internal stresses and helps maintain dimensional accuracy of precision assemblies.

  • Versatile mixing and application
    Supplied as a 2-part system that can be mixed by hand or with static mixers for repeatable production use.

Typical Applications

Loctite EA 9497 is commonly used in:

  • Bonding metal components in jigs, fixtures and structural brackets

  • Attaching wear plates, ribs or stiffeners to machinery frames and housings

  • Bonding ceramic or composite parts in high-temperature assemblies

  • Filling and rebuilding worn metal surfaces before machining or grinding

  • Mounting sensors, magnets or inserts in motors, housings and test equipment

  • General maintenance, repair and overhaul (MRO) tasks where strong, heat-resistant bonds are required

Always evaluate the product in your own application, especially for safety-critical or high-temperature service.

How Loctite EA 9497 Works

Loctite EA 9497 is a 2-part epoxy (resin + hardener):

  1. Mixing – The two components are blended at the specified mix ratio until a uniform color and consistency are obtained.

  2. Application – The mixed adhesive is applied to one or both surfaces; parts are assembled within the working time.

  3. Curing – At room temperature, the adhesive gradually cures to a hard, structural solid. Gentle heating can accelerate cure and increase early handling strength.

  4. Final properties – After full cure, the bond line exhibits high mechanical strength, rigidity and thermal resistance.

Typical Property Snapshot

Values vary with mix ratio, substrate and conditions. Always consult the current Technical Data Sheet and test in your own process.

  • Chemistry: Two-part epoxy adhesive

  • Appearance: Typically grey, paste-like mixture after combining parts A and B

  • Mixing: Defined resin:hardener ratio (by weight or volume as specified on packaging)

  • Consistency: Thixotropic paste; non-sag on vertical surfaces

  • Strength: High shear and peel strength on properly prepared metal joints

  • Temperature resistance: Formulated for high-temperature service and thermal cycling

Directions for Use

  1. Surface preparation

    • Degrease and clean bonding surfaces to remove oil, grease, dirt and oxides.

    • Abrade metals lightly (e.g., grit-blast or sand) and clean again to improve adhesion.

  2. Mixing

    • Dispense the correct proportions of Part A and Part B.

    • Mix until the color and texture are uniform, avoiding air entrapment where possible.

  3. Application

    • Apply a uniform layer of the mixed adhesive to one or both surfaces.

    • Assemble parts within the product’s usable pot life/work life and clamp or fixture if necessary.

  4. Curing

    • Allow to cure at room temperature for the time specified on the data sheet.

    • For faster turnaround, cure may be accelerated with moderate heat if substrates allow.

  5. Cleanup

    • Remove excess uncured adhesive with a suitable solvent-based cleaner.

    • Cured material usually must be removed mechanically.

Storage & Handling

  • Store in original, tightly closed containers in a cool, dry place.

  • Avoid exposure to heat, moisture and direct sunlight.

  • Observe normal industrial hygiene practices and consult the Safety Data Sheet (SDS) for PPE and handling guidance.

FAQs

Q1: What makes Loctite EA 9497 different from general-purpose epoxies?
A: Loctite EA 9497 is a high-temperature, structural-grade epoxy with strong adhesion to metals and ceramics, designed for load-bearing and thermally demanding applications rather than light-duty repairs.

Q2: Can Loctite EA 9497 bond dissimilar materials?
A: Yes, it is commonly used to bond metal to ceramic, metal to composite and other rigid combinations, provided both surfaces are properly prepared.

Q3: Is heat required to cure Loctite EA 9497?
A: No. It cures at room temperature, but applying gentle heat can shorten cure time and help reach handling strength more quickly.

Q4: Can the bonded joint be disassembled?
A: After full cure, EA 9497 forms a rigid, high-strength bond. Joints are generally considered permanent and can usually only be separated by mechanical means or local destruction of the adhesive or substrate.

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