Description
3M™ Scotch-Weld™ 9323 B/A is a two-part Structural Epoxy Adhesive offering high shear and peel strength for bonding metals, plastics, and CFRP/GFRP composites.
- Pack size: 1 liter kit A/B (other sizes available on request)
- Color: Base white, Hardener red-orange
Applications
- Structural bonding in lightweight construction, mechanical engineering, automotive and aerospace
- Adheres to: aluminum, steel, stainless steel, GFRP, CFRP, PMMA
- Suitable for thermal cycling, dynamic loads and chemical exposure
- Qualified for use in aerospace applications
Features
- Very high shear and peel strength on various substrates
- Toughened formulation with excellent impact resistance
- Resistant to: water, fuels, oils, hydraulic fluids, salt spray
- Thixotropic paste – ideal for vertical and horizontal application
- Cures at room temperature or accelerated at 80 °C
- Work life: 120-150 minutes (depending on quantity & temperature)
Technical Data
| General Properties | |
|---|---|
| 3M ID | 7000080436 |
| Mix Ratio (volume / weight) | 100:30 / 100:27 |
| Color (Base / Hardener) | White / Red-orange |
| Base Resin (Base / Hardener) | Modified epoxy / Modified polyamine |
| Consistency | Thixotropic, gel-like |
| Temperature Resistance | -55 °C to +120 °C |
| Density (Base / Hardener) | 1.18 g/cm³ / 1.06 g/cm³ |
| Solids Content | 100% |
| Viscosity (Base / Hardener) | 700 Pas / 18 Pas |
| Mechanical Properties (cured) | |
| Shear Strength (Aluminum, 24 °C) | 36-41 MPa |
| Shear Strength Stainless Steel (23 °C) | 27 MPa |
| Shear Strength CFRP/GFRP (23 °C) | 28 MPa |
| Shear Strength PMMA (23 °C) | 3 MPa |
| Peel Strength (24 °C) | 47-58 N/cm |
| Impact Resistance (24 °C) | 17.4-32.1 kJ/m² |
| Floating Roller Peel (23 °C) | 170-190 N / 25 mm |
Processing & Curing
- Recommended processing temperature: 20-25 °C
- Work life: 120-150 minutes depending on mix size (e.g. 130 g = ~120 min, 50 g = ~150 min)
- Optimal bondline thickness: 0.10-0.20 mm (glass beads optional)
- Handling strength after 4-5 hours (1 MPa)
Curing Schedule (Full Cure)
- 14 days at 23 °C (room temperature)
- 2 hours at 65 °C
- 15 minutes at 100 °C
Cleaning & Storage
- Remove uncured material with ketone-based solvents (e.g. MEK)
- Exothermic above 100 g – use shallow containers
- Store unopened in original packaging at 15-25 °C
- Shelf life: 12 months from date of shipment
3M Scotch-Weld EC-9323 B/A, epoxy adhesive, aerospace bonding, CFRP GFRP aluminum PMMA
Hazards Identification (CLP)

Signal word: Danger.
Hazard Statements (H-statements)
- Part A: H314 Causes severe skin burns and eye damage.
- Part A: H317 May cause an allergic skin reaction.
- Part B: H315 Causes skin irritation.
- Part B: H319 Causes serious eye irritation.
- Part B: H317 May cause an allergic skin reaction.
- Part B: H411 Toxic to aquatic life with long-lasting effects.
Precautionary Statements (P-statements)
Prevention:
- Part A: P260B Do not breathe dust.
- Part A: P280D Wear protective gloves/protective clothing/eye protection/face protection.
- Part B: P273 Avoid release to the environment.
- Part B: P280E Wear protective gloves.
Response:
- Part A: P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
- Part A: 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: P310 Immediately call a POISON CENTER or doctor/physician.
- Part A: P333 + P313 If skin irritation or rash occurs: Get medical advice/attention.
- Part B: 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 B: P333 + P313 If skin irritation or rash occurs: Get medical advice/attention.
- Part B: P391 Collect spillage.
Additional Labelling (EUH Statements)
None.
Storage and Disposal
- No specific regulations known.
Other Relevant Information
- This material contains no substances identified as PBT or vPvB.
- Part A: Contains 2% components of unknown aquatic toxicity.
- Part B: Contains 18% components of unknown aquatic toxicity.
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






william_s –
Excellent service. Highly recommended. Durable product. Everything perfect, thank you.
Ryan A. –
100% recommended.
Annika Z. –
No unpleasant smell, which I really appreciate.
marco_s –
Very good experience. Excellent-quality product. Robust and well-made. Everything was smooth and fast.
Ginevra I. –
Excellent product, worth every cent.
James –
Great value for money. Very satisfied with the purchase.
elise_fr –
The quality pleasantly surprised me. Feels nice to use at home. The quality surprised me in a good way.