3M SCOTCH-WELD-EC-2615 B/A (50ML-DUO-PAK)

Additional Product Information

Overview

3M Scotch-Weld Epoxy Adhesive EC-2615 B/A and EC-2615 B/A LW are high-performance, two-component epoxy adhesives designed for aerospace and MRO applications. These adhesives create strong, impact-resistant bonds to metals and plastics and are widely used by maintenance teams for structural repairs, assembly, and bonding tasks where reliability under stress and environmental exposure is critical.

Key Technical Specs for 3M Scotch-Weld Epoxy Adhesive EC-2615 B/A & EC-2615 B/A LW

• Type: Two-component epoxy adhesive (Base & Accelerator)
• Size/Volume: Available in dual cartridges or pre-measured kit form
• Color: Off White (Base), Amber (Accelerator); also available in charcoal gray
• Viscosity/Consistency: EC-2615 B/A approx. 800,000 cps; EC-2615 B/A LW 8,000 16,000 cps
• Cure/Working Time: EC-2615 B/A 20 min worklife at 72 F (22 C); EC-2615 B/A LW 60 min worklife
• Tensile/Peel Strength: Overlap Shear at 75 F: 5500 5800 psi (37.9 40.0 MPa); Floating Roller Peel: 95 98 piw
• Shore Hardness: Typical cured hardness not specified; epoxy fully cures 1 7 days depending on conditions
• Service Temperature: -67 F to 180 F (-55 C to 82 C); post-cure improves high-temperature performance
• Typical Uses: Aerospace structural bonding, metal-to-metal and metal-to-plastic assemblies, industrial repairs
• Shelf Life: 1 year from date of shipment when stored 60 F 80 F (15 C 27 C) in original unopened container

Approvals & Specifications

• Meets ASTM D2651, ASTM D1876-72, ASTM D-3167 test standards
• Compliant with MMM-A-132 requirements for aluminum bonding
• Compatible with 3M Structural Adhesive Primers EC-3960, EW5000, EC-3924B for corrosion protection
• Approved for aerospace MRO applications and high-performance industrial bonding

Typical Aircraft MRO / AOG Applications

• Structural repair of 2024-T3 aluminum aircraft panels
• Bonding composite laminates and reinforced plastics
• Metal-to-metal assembly in wings, fuselage, and control surfaces
• Adhesive applications requiring long-term environmental and chemical resistance
• Rapid on-site repairs for AOG situations

Compatibility & Safety Notes

• Compatible substrates: aluminum, steel, titanium, reinforced plastics, composite laminates
• Use PPE: gloves, safety glasses, protective clothing when handling uncured adhesive
• Thoroughly clean and dry surfaces before bonding for optimal adhesion
• Handle exothermic reaction with caution when mixing large batches
• Follow MSDS and local safety guidelines for solvent use and cleanup

Packaging & Procurement

• Available in dual plastic cartridges and pre-measured kit formats
• Convenient no-mix or manual mix options for precise application
• Storage: 60 F 80 F (15 C 27 C); avoid prolonged high temperatures
• Easy-to-dispense cartridges with optional mixing nozzles
• Designed for both shop and field applications, ideal for AOG readiness

Why 3M Scotch-Weld Epoxy Adhesive EC-2615 B/A & EC-2615 B/A LW is Chosen for AOG / MRO

• Fast handling strength allows reduced downtime during repairs
• Reliable, high-strength bonds for structural integrity
• Versatile for a wide range of metals and plastics
• Long worklife formulations ensure precision in large assemblies
• Portable and easy to apply in both shop and field environments

Practical Suggestions for Your Team (AOG Mindset)

• Stock both EC-2615 B/A and EC-2615 B/A LW for short- and long-worklife needs
• Train technicians on surface preparation and mixing for optimal bond strength
• Use appropriate primers on aluminum and composite surfaces for long-term durability
• Maintain a small supply of solvents for equipment cleanup prior to curing
• Plan bonding operations according to adhesive worklife and cure times to minimize downtime

Manufacture / Aviation Spec Codes

• Manufacturer: 3M Company
• Product ID: EC-2615 B/A, EC-2615 B/A LW
• MIL/OEM Codes: MMM-A-132, ASTM D2651, ASTM D1876-72, ASTM D-3167
• Export / Aviation Spec Codes: Refer to 3M datasheet for country-specific compliance

Alternative Names & Descriptions

• 3M Scotch-Weld EC-2615 B/A Adhesive
• 3M Scotch-Weld EC-2615 B/A LW Adhesive
• 3M Epoxy EC-2615 Long Worklife
• Scotch-Weld EC-2615 Structural Adhesive
• 3M Aerospace Epoxy EC-2615