Brand: 3M™ Scotch-Weld™
Product Number: 2214 Hi-Temp
Technologies: Epoxy
Color: Gray
Cure Type: Heat Cure
Package Sizes: 177 mL
Shelf Life: 12 months
3M™ Scotch-Weld™ Epoxy Adhesive 2214 Hi-Temp is a paste consistency epoxy adhesive designed for high-strength bonding of metals and high-temperature plastics, such as fiberglass-reinforced plastic, polyester, and phenolics. This one-part, 100% solids, heat-curing epoxy is aluminum-filled and deaerated, making it suitable for high-strength applications at service temperatures between 180°F and 350°F (82°C to 177°C). It provides superior thermal and mechanical performance while maintaining strong adhesion with void-free bondlines.
| Attribute Name | Value |
|---|---|
| Color | Gray¹ |
| Viscosity | >1,000,000 cP² |
| Flow Rate | 15 – 30 seconds³ |
| Net Weight | 12 lb/gal |
| Base | Modified Epoxy |
¹ Colors may vary from nearly white to yellow/amber, but this does not affect adhesive performance.
² Due to its thixotropic paste nature, Brookfield viscosity exceeds 1,000,000 cP.
³ Time to dispense 20 g at 345 kPa (50 psi) through a 2.5 mm (0.10 in) orifice.
| Attribute Name | Value |
|---|---|
| Time to Full Cure | 40 minutes |
| Attribute Name | Value |
|---|---|
| Cured Color | Gray |
| Shore D Hardness | 88 (ASTM D2240) |
| Attribute Name | Test Method | Value |
|---|---|---|
| Overlap Shear Strength (Cold Rolled Steel, MEK/Abrade/MEK, 7 Days Dwell Time) | ASTM D1002, ISO 4587 | 2,400 psi (16.5 MPa)¹ |
| T-Peel Adhesion (Aluminum, 23°C / 73°F) | ASTM D1876 | 2 lb/in width² |
| T-Peel Adhesion (Steel, MEK Wipe, 23°C / 73°F) | ASTM D1876 | 5 lb/in width² |
| Elongation at Break | – | 1% |
| Tensile Strength at Break | – | 8,000 psi (55.2 MPa) |
¹ 25 mm (1″) wide, 12.7 mm (1/2″) overlap samples, bondline thickness: 0.13-0.20 mm (5-8 mil).
² Measured using etched 2024-T3 clad aluminum panels, tested at 508 mm/min (20 in/min) separation rate.
| Attribute Name | Test Condition | Value |
|---|---|---|
| Coefficient of Thermal Expansion | 0 ~ 80°C | 48 x 10⁻⁶ m/m/°C |
| Thermal Conductivity | – | 0.189 (btu-ft)/(h-ft²-°F) |
| Arc Resistance | ASTM D495 | 119 s |
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