Description
3M™ Scotch-Weld™ Epoxy Adhesive 2216 B/A Gray is a two-part, room temperature curing epoxy known for its exceptional flexibility, high peel and shear strength, and reliable performance under vibration, flexing, and thermal cycling. Its long 90-minute work life allows precise positioning and clean assembly, while its tough yet flexible bond makes it suitable for a wide range of materials and environments.
Benefits:
- Excellent flexibility and shock resistance
- High peel and shear strength
- Bonds metals, plastics, rubber, and masonry
- Performs in extreme temperatures and vibration
- Meets DOD-A-82720 and UL 94 HB standards
Typical Properties:
- Work life: ~90 minutes @ 73°F (23°C)
- Handling strength: 8–12 hours
- Full cure: 7 days @ room temperature or 30–120 minutes with heat
- Hardness: Shore D 57
- T-peel strength: 25 lb/in (ASTM D1876)
Applications:
- Aerospace and automotive bonding
- Electronics and cryogenic components
- Industrial assembly and repair
- Potting and encapsulating parts subject to vibration or temperature changes
