3M SCOTCH-WELD-EC-7256-B/A (50ML-DUO-PAK)

Additional Product Information

Overview

3M Scotch-Weld EC-7256 B/A is a two-part epoxy structural adhesive developed for aircraft interior bonding and general aviation MRO applications. Designed for rapid room-temperature curing and high mechanical strength, it provides reliable structural bonding across metals, composites, and engineered plastics. Aviation maintenance teams rely on this adhesive for fast bracket bonding, panel attachment, and structural repairs where speed and durability are essential.

Key Technical Specs for 3M Scotch-Weld EC-7256 B/A

• Type: Two-part modified epoxy structural adhesive
• Mix Ratio: 2:1 by volume (100:50)
• Color: Off-white
• Consistency: Low-sag paste / gel
• Work Life: ~12 minutes at 23°C (73°F)
• Handling Strength: 70–80 minutes
• Full Cure: 7 days at 23°C (73°F) or 2 hours at 65°C (149°F)
• Overlap Shear Strength: Up to 35 MPa (5,076 psi)
• Peel Strength: Up to 216 N / 25 mm (49 lbf/in)
• Service Temperature Performance: -55°C to 85°C (-67°F to 185°F)
• Density: Part B 1.13 g/cm³, Part A 1.10 g/cm³
• Typical Uses: Bracket bonding, panel bonding, composite-to-metal bonding
• Shelf Life: 12 months at room temperature

Approvals & Specifications

• Airbus AIMS 10-04-002
• Airbus AIMS 10-04-003
• Airbus AIMS 10-04-011

Typical Aircraft MRO / AOG Applications

• Bonding aircraft interior brackets and fasteners
• Composite and metal panel bonding
• Interior structural repairs
• Quick-turnaround bonding for AOG situations
• General purpose aerospace bonding tasks

Compatibility & Safety Notes

• Bonds aluminium, steel, stainless steel, brass, composites, and plastics
• Surface preparation critical for maximum bond strength
• Use gloves, eye protection, and proper ventilation during handling
• Clean uncured adhesive using ketone-based solvents
• Follow MSDS guidance before use

Packaging & Procurement

• Available in dual cartridges for accurate mixing and application
• Designed for manual dispensing and field repairs
• Store at room temperature in unopened containers
• Easy-to-use packaging ideal for maintenance teams

Why 3M Scotch-Weld EC-7256 B/A is Chosen for AOG / MRO

• Fast strength build-up reduces aircraft downtime
• Excellent durability in harsh aviation environments
• Reliable bonding across multiple substrates
• Easy cartridge application for field use
• Trusted Airbus-qualified performance

Practical Suggestions for Your Team (AOG Mindset)

• Stock cartridges for rapid-response bonding repairs
• Train technicians on proper surface preparation techniques
• Use static mixers to ensure consistent mixing accuracy
• Store near room temperature for optimal performance

Manufacture / Aviation Spec Codes

• Manufacturer: 3M Aerospace
• Product ID: Scotch-Weld EC-7256 B/A
• Specification Codes: Airbus AIMS 10-04-002 / 003 / 011

Alternative Names & Descriptions

• 3M EC-7256 B/A Structural Adhesive
• 3M Scotch-Weld EC7256 Epoxy Adhesive
• 3M Aerospace Two-Part Structural Adhesive
• Airbus Approved Structural Bonding Adhesive
• 3M Interior Aircraft Bonding Epoxy