EC-2216 B/A

Description

MRO teams and aircraft engineers across the aviation industry rely on 3M SCOTCH-WELD-EC-2216-B/A-GREY because it delivers exceptional strength, flexibility and resistance to vibration, moisture and extreme temperatures, making it ideal for both structural and component bonding. From military jets to commercial airliners carrying millions of passengers each year, engineers trust this two-part epoxy to maintain safety and performance under the most demanding conditions. Its room-temperature cure with optional heat acceleration allows rapid application during urgent AOG situations, minimizing downtime and keeping aircraft operational. For reliability, versatility and proven performance in critical aerospace applications, 3M SCOTCH-WELD-EC-2216-B/A-GREY is the adhesive that keeps MRO operations running smoothly.
Key Technical Specs for 3M SCOTCH-WELD-EC-2216-B/A-GREY
Type: Two-part, flexible epoxy adhesive
Mix Ratio: 2:3 by volume; 5:7 by weight
Working Time: ~90 minutes at 24°C (75°F)
Full Cure Time: 7 days at room temperature; 30 minutes at 93°C (200°F) for accelerated cure
Shear Strength: ~3,200 psi (22.1 MPa) at 24°C (75°F)
Peel Strength: ~25 piw at 24°C (75°F)
Service Temperature Range: -55°C to 121°C (-67°F to 250°F)
Viscosity: Part A: 75,000–150,000 cP; Part B: 40,000–80,000 cP
Packaging: 1.6 Ltr (1.69 qt) kit
Approvals & Specifications for 3M SCOTCH-WELD-EC-2216-B/A-GREY

Military / Aerospace Specs: MIL-A-82720, DOD-A-82720
OEM Usage: Approved for use in both commercial and military aircraft structures
Aerospace Applications: Structural bonding, composite edge sealing, bonding electrical assemblies
Typical Aircraft MRO / AOG Applications for 3M SCOTCH-WELD-EC-2216-B/A-GREY
Essential for bonding components in aircraft wings, fuselage, control surfaces and interior structures
Provides rapid, high-strength repairs in AOG scenarios to minimize downtime
Holding stock ensures MRO teams and ground crew can respond immediately to urgent repair requirements
Compatibility & Safety Notes for 3M SCOTCH-WELD-EC-2216-B/A-GREY

Surfaces must be clean, dry and free of contaminants
Avoid extremely low temperatures (<10°C / 50°F) or high humidity during application
Use in well-ventilated areas with appropriate PPE
Stable in storage; store in a cool, dry place away from direct sunlight
Packaging & Procurement for 3M SCOTCH-WELD-EC-2216-B/A-GREY (matched to the Aerospheres page and common market packs)
1.6 Ltr (1.69 qt) kit with separate Part A and Part B components
Easy to store, handle and mix for precise ratios
Available through authorized distributors such as Aerospheres
Why 3M SCOTCH-WELD-EC-2216-B/A-GREY is Chosen for AOG / MRO

High-strength, flexible bonding suitable for high-stress areas
Resistant to vibration, moisture and thermal cycling
Room-temperature cure with optional heat acceleration enables fast AOG repairs
Versatile across metals, composites and aerospace-grade plastics
Practical Suggestions for Your Team (AOG mindset) for 3M SCOTCH-WELD-EC-2216-B/A-GREY
Always stock at least one kit per MRO location for rapid repairs
Pre-plan surface preparation materials (cleaners, abrasion tools) to minimize repair time
Use during scheduled maintenance for both structural and component bonding to reduce aircraft downtime
Manufacture / Aviation Spec Codes for 3M SCOTCH-WELD-EC-2216-B/A-GREY

Manufacturer: 3M Company
Aviation Specs: MIL-A-82720, DOD-A-82720
OEM Usage: Approved and used by Boeing, Airbus, Lockheed Martin and other aerospace manufacturers