Description
3M™ Scotch-Weld™ EC-2216 B/A is a two-part flexible epoxy adhesive for structural bonding in aerospace and industrial applications.
- Pack size: 250 ml tube set (3M ID 7100115633)
- Also available as: 41.5 ml dual cartridge
Applications
- Flexible bonding of metals, plastics, glass, rubber, and ceramics
- Structural bonding in aerospace and defense industries
- Cryogenic applications (down to -253 °C)
- Bonds exposed to dynamic loads, vibration or shock
Features
- High peel and shear strength
- Excellent impact and vibration resistance
- Color-coded components for reliable mixing control
- Room-temperature or accelerated thermal curing
- Resistant to water, fuels, hydraulic fluids, and de-icing agents
- Meets DOD-A-82720 / MIL-A-82720 standards
Technical Data
| Physical Properties | |
|---|---|
| Color (cured) | Gray |
| Transparency | Opaque |
| Mix ratio B:A (volume / weight) | 2:3 / 5:7 |
| Consistency | Paste-like |
| Working time (100 g, 24 °C) | 90-120 minutes |
| Handling strength | 8-12 hours |
| Full cure at 23 °C | 7 days |
| Mechanical Properties | |
| Lap shear strength (aluminum, 23 °C) | 22 MPa (3200 psi) |
| T-peel strength | 25 piw (~4.4 N/mm) |
| Shore hardness D | 50-65 |
| Thermal Properties | |
| Service temperature range | -55 °C to +80 °C (continuous) (tested from -253 °C to +177 °C) |
| Thermal conductivity | 0.114 – 0.228 BTU·ft/ft²·h·°F (≈ 0.2 – 0.4 W/m·K) |
| Electrical Properties | |
| Dielectric strength | 408-630 V/mil |
Instructions for Use
- Clean and degrease bonding surfaces; abrade if necessary
- Mix resin and hardener thoroughly until color is uniform
- Apply and use within 90 minutes
- Allow to cure at room temperature or with heat acceleration
- Recommended bond line thickness: 3-5 mil
- Clean uncured material with MEK or similar solvents
Recommended Accessories
- 3M™ Primer EC-1945 B/A (for metals)
Storage & Shelf Life
- Store unopened in dry conditions at +16 °C to +27 °C
- Shelf life: 24 months in original packaging
3M Scotch-Weld EC2216, EC 2216B/A, aerospace epoxy adhesive
Hazard Information (CLP)
Signal word: Danger (Part A) / Warning (Part B)
Hazard Statements (H-statements)
- H315: Causes skin irritation. (Part A and B)
- H318: Causes serious eye damage. (Part A)
- H319: Causes serious eye irritation. (Part B)
- H317: May cause an allergic skin reaction. (Part A and B)
- H336: May cause drowsiness or dizziness. (Part A)
- H410: Very toxic to aquatic life with long lasting effects. (Part A)
- H411: Toxic to aquatic life with long lasting effects. (Part B)
Precautionary Statements (P-statements)
Prevention:
- P261A: Avoid breathing vapours. (Part A)
- P273: Avoid release to the environment. (Part A and B)
- P280B: Wear protective gloves/eye protection/face protection. (Part A)
- P280E: Wear protective gloves. (Part B)
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. (Part A and B)
- P310: Immediately call a POISON CENTER or doctor. (Part A)
- P333 + P313: If skin irritation or rash occurs: Get medical advice/attention. (Part A and B)
- P391: Collect spillage. (Part B)
Additional Labeling (EUH-statements)
- No additional EUH-statements provided.
Storage and Disposal
- No specific information on storage and disposal provided.
Other Relevant Information
- H- and P-statements differ for packaging below 125 ml. (Both parts)
3M Deutschland GmbH, Carl-Schurz-Straße l, 41453 Neuss, Deutschland, 02131-14-2914 / 0, [email protected], www.3m.com/msds
Paul –
Well packaged and delivered quickly. Excellent quality and price. Perfect in every detail. No issues at all so far.
Audrey –
It completely solved my problem! Not too big, not too small, perfect. Great product, worth every cent. Easy to use, without making a mess.
Christophe –
Very practical and easy to use. Good build quality and reliable.
nicole_88 –
Easy to use, without making a mess.
william_s –
Exactly as described. Satisfied with the quality. Better than I thought; I’m satisfied.
jonathan_s –
No complaints so far.
anthony99 –
Fast shipping, perfect product. Everything’s great. Everything was smooth and fast.
Cédric –
Excellent packaging. Perfect in every detail. Works perfectly. Arrived right away, excellent service.
Lorenzo X. –
Solid product, would buy again. Simply excellent.
Nathalie –
I noticed the difference right away! Surprisingly good quality for the price. No unpleasant smell; I really like that.
olivier_75 –
No reason to complain. Very easy to set up. Delivers what it promises.
florian_fr –
Everything went smoothly. Fast delivery, good workmanship. Perfect match with the description.
nataliejoy –
Solved my problem completely! I’ve been using it for 2 weeks and I already see results! Very effective, I noticed a change in just a week.
Sophia –
Surprisingly good quality for the price.
max_de –
Perfect in every detail.