3M SCOTCH-WELD-EC-7246-B/A (48.5-ml-Kit)

Additional Product Information

Overview

3M Scotch-Weld EC-7256 B/A is a two-part, aerospace-grade structural epoxy adhesive engineered for aircraft interior bonding and high-reliability maintenance, repair, and overhaul (MRO) operations. Known for its rapid room-temperature cure, excellent mechanical strength, and strong environmental resistance, it is widely trusted by aviation teams for bonding brackets, fasteners, and structural components where speed and reliability are critical.

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

• Type: Two-part modified epoxy structural adhesive
• Mix Ratio: 2:1 by volume (Part B : Part A)
• Colour: Off-white
• Consistency: Low-sag paste / gel
• Viscosity: Approx. 70 Pa s (Part B)
• Work Life: Approx. 12 minutes at 23 C (73 F)
• Handling Strength: 70 80 minutes at 23 C (73 F)
• Full Cure: 7 days at 23 C (73 F) or 2 hours at 65 C (149 F)
• Overlap Shear Strength: Up to 35 MPa (5076 psi) at 23 C (73 F)
• Peel Strength: 216 N/25 mm (49 lbf/in)
• Service Temperature (Typical): ?55 C to 85 C (?67 F to 185 F)
• Typical Uses: Structural bonding of metals, composites, and plastics
• Shelf Life: 12 months unopened at room temperature

Approvals & Specifications

• Qualified to Airbus AIMS 10-04-002
• Qualified to Airbus AIMS 10-04-003
• Qualified to Airbus AIMS 10-04-011
• Designed for aerospace interior bonding applications

Typical Aircraft MRO / AOG Applications

• Bonding brackets and fasteners in aircraft interiors
• Metal-to-metal structural bonding
• Composite panel and honeycomb repairs
• Bonding interior fixtures and fittings
• Rapid structural bonding during AOG situations

Compatibility & Safety Notes

• Bonds aluminium, steel, stainless steel, brass, composites, ABS, PVC, and polyamide
• Surfaces must be clean, dry, degreased, and abraded for best performance
• Use appropriate PPE including gloves, eye protection, and respiratory protection during surface preparation and mixing
• Avoid mix ratio deviation greater than 5% to maintain performance

Packaging & Procurement

• Available in dual cartridges for accurate mixing and easy dispensing
• Designed for manual and field application
• Store at room temperature in original unopened packaging
• Ideal for portable MRO toolkits and on-site repair kits

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

• Rapid strength build-up reduces aircraft downtime
• High shear and peel strength ensures reliable structural bonds
• Low-sag formulation enables overhead and vertical repairs
• Strong resistance to fuels, oils, and harsh environments
• Aerospace-qualified and trusted by OEM and MRO teams

Practical Suggestions for Your Team (AOG Mindset)

• Stock cartridges in mobile MRO kits for emergency bonding repairs
• Use static mixers for consistent mixing and reduced waste
• Apply mild heat when possible to accelerate cure during AOG events
• Train technicians on correct surface preparation procedures

Manufacture / Aviation Spec Codes

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

Alternative Names & Descriptions

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