Description
3M™ Scotch-Weld™ 2216 B/A is a flexible, two-part structural epoxy adhesive, specifically designed for demanding bonding applications involving metals, plastics, ceramics, wood, and rubber.
- Pack size: 135 ml press cartridge
- Also available as: 250 ml B/A tube set
Applications
- Bonding of metals, FRP, polyester, fluororubber, ceramics and wood
- Suitable for structural joints under vibration, shock, or dynamic load
- Weather-resistant bonding for indoor and outdoor applications
- Ideal for low temperatures down to -55 °C and thermal stress up to +80 °C
Features
- Flexible, tough bonds with high shear and peel strength
- Excellent aging and environmental resistance
- Room temperature cure, accelerated at 65 °C
- Mix ratio: 2:3 (volume) or 5:7 (weight)
- UL-listed (QMFZ2.E61941), USP Class VI compliant
Technical Data
| Basic Properties | |
|---|---|
| Color (Base / Hardener) | White / Grey |
| Consistency | Paste-like |
| Viscosity (26 °C) | 75,000-150,000 mPa·s / 40,000-80,000 mPa·s |
| Specific Gravity | 1.3 g/cm³ (Base), 1.25 g/cm³ (Hardener) |
| Solids Content | 100 % |
| Mix Ratio | 2:3 (vol.) / 5:7 (wt.) |
| Processing | |
| Working Time (100 g) | approx. 90 minutes |
| Handling Strength | after 6-8 hours |
| Full Cure | 7 days (23 °C) or 2 h at 65 °C |
| Clamping Pressure | 2-7 N/cm² |
| Strength (etched aluminum) | |
| Shear Strength (24 °C) | up to 21 MPa |
| Peel Strength (24 °C) | 45.4 N/cm |
| Environmental Resistance | |
| Salt Spray (14 days, 35 °C) | 16.2 MPa |
| Humidity (30 days, 50 °C) | 14.1 MPa |
| Hydraulic Oil (7 days, 23 °C) | 26.0 MPa |
| Thermal Properties | |
| Temperature Range | -55 °C to +80 °C (continuous) |
| Thermal Conductivity | 4 W/m·°C |
| Coefficient of Expansion | 102-134 × 10⁻⁶ / °C |
Application Instructions
- Clean and roughen surfaces (e.g. with Scotch-Brite™ 7447)
- Mix components at 2:3 until homogeneous paste is achieved
- Apply with spatula or cartridge; optimal bond line thickness: 0.05-0.15 mm
- Clamp lightly; cure at 23 °C or accelerate at 65 °C
Storage & Shelf Life
- Store in original packaging at 15-25 °C and 50 % RH
- Shelf life: 24 months from date of shipment
3M Scotch-Weld 2216 B/A, epoxy adhesive, 2-part glue, flexible bonding
Hazard Warnings (CLP)
Signal word: Warning
Hazard Statements (H-phrases)
- H315: Causes skin irritation.
- H319: Causes serious eye irritation.
- H317: May cause an allergic skin reaction.
- H336: May cause drowsiness or dizziness.
- H410: Very toxic to aquatic life with long-lasting effects.
Safety Statements (P-phrases)
Prevention:
- P261A: Avoid breathing vapours.
- P273: Avoid release to the environment.
- P280E: Wear protective gloves.
Response:
- P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
- P391: Collect spillage.
Other Hazards
- Individuals sensitized to amines may experience cross-sensitization to other amines.
- This material contains no substances classified as PBT or vPvB.
Hazardous materials. The forwarding charges may be raised, if shipping to: DE, AT, NL, GB, CH, CZ, IT, ES, FI, NO, BE, IE, RO, PL, FR, PT, LU, DK, LI, GR, SE, SK, BG, SI, CA, LT, EE, LV, HR, SA,
3M Deutschland GmbH, Carl-Schurz-Straße l, 41453 Neuss, Deutschland, 02131-14-2914 / 0, [email protected], www.3m.com/msds
claudio_it –
Everything’s great.
Maximilian –
Well packaged and secure. Very practical. Well-made product. Perfect match with the description.
Moritz –
Everything excellent. Excellent material. Works flawlessly. Reliable and stable.
mason23 –
Fast shipping, perfect product. Top seller.
Abigail –
This solved my problem completely! Super fast delivery, thank you.
nathalie_fr –
Pleasant to use at home. No unpleasant smell; I really like that. Surprisingly good quality for the price.
Mason –
Everything OK. Price matches the quality. Very good build quality. Very happy with the purchase, works great.
guillaume_75 –
Fast shipping, great service. Received quickly. Excellent workmanship. Feels sturdy.