Loctite Metal Epoxy with High Strength EA 3478

Loctite EA 3478 is a high-performance metal epoxy adhesive designed for industrial applications requiring exceptional strength and durability. It is a steel-filled, two-part epoxy paste that cures to a hard, metal-like finish, making it ideal for repair, rebuilding, and maintenance tasks involving metal surfaces.

Key Features

1. High Strength and Durability:
   • Provides exceptional bonding strength and wear resistance, suitable for demanding applications.
2. Steel-Filled Composition:
   • Reinforced with metal particles for enhanced toughness and structural integrity.
3. Versatile Applications:
   • Ideal for bonding, repairing, and rebuilding metal parts.
4. Resistance to Harsh Conditions:
   • Resistant to chemicals, oils, and high temperatures, ensuring long-term performance.
5. Easy to Use:
   • Two-part system with convenient mix ratio for straightforward application.

Applications

• Repairing worn or damaged metal parts, such as shafts, pipes, and housings.
• Rebuilding metal surfaces subjected to abrasion or wear.
• Bonding dissimilar metals, such as steel to aluminum.
• Filling gaps, cracks, and cavities in metal surfaces.
• Restoring the structural integrity of metal components.

Technical Specifications

• Base Material: Epoxy resin, steel-filled
• Color: Metallic gray
• Mix Ratio: 1:1 by volume
• Pot Life: Approximately 45 minutes at 25°C
• Cure Time: Full cure in 24 hours (functional strength in 6 hours)
• Compressive Strength: Up to 110 MPa
• Operating Temperature Range: -30°C to +120°C (short-term exposure up to 150°C)

How to Use

1. Surface Preparation:
   • Clean the surfaces to be bonded or repaired, removing all grease, oil, dirt, and loose particles.
   • For best results, roughen the surface with sandpaper or a wire brush.
2. Mixing:
   • Mix equal parts of Part A (resin) and Part B (hardener) until the color is uniform.
3. Application:
   • Apply the mixed epoxy to the prepared surface using a spatula or applicator.
   • Shape or smooth the epoxy as required before it begins to set.
4. Curing:
   • Allow the epoxy to cure at room temperature. Functional strength is achieved in 6 hours, with full cure in 24 hours.

Advantages

• High compressive and tensile strength for structural repairs.
• Excellent adhesion to a variety of metals.
• Resistant to mechanical stress, chemicals, and heat.
• Long working time allows for precision application.
• Suitable for both emergency repairs and planned maintenance.

Safety Precautions

• Wear gloves and protective eyewear when handling.
• Work in a well-ventilated area to avoid inhalation of fumes.
• Avoid skin and eye contact; wash immediately with soap and water if contact occurs.
• Refer to the Safety Data Sheet (SDS) for comprehensive safety guidelines.

Storage

• Store in a cool, dry place away from direct sunlight and heat sources.
• Keep containers tightly sealed when not in use.

Loctite EA 3478 Metal Epoxy is a trusted solution for industrial metal repair and bonding needs, providing exceptional performance and long-lasting results in challenging environments.