Brand: 3M™ Scotch-Weld™
Product Number: 2214 Hi-Temp New Formula
Technologies: Epoxy
Color: Gray Brown
Cure Type: Heat Cure
Package Sizes: 18.93 Liter, 177.44 ml
Shelf Life: 12 months
3M™ Scotch-Weld™ Epoxy Adhesive 2214 Hi-Temp New Formula is a paste consistency epoxy adhesive designed for structural bonding applications requiring high-temperature performance. This one-part, 100% solids, heat-curing epoxy is aluminum-filled and deaerated, providing higher strength retention at temperatures ranging from 180°F to 350°F (82°C to 177°C). It is formulated for bonding metals and high-temperature plastics, such as fiberglass-reinforced plastic, polyester, and phenolics, and offers strong adhesion with void-free bondlines.
| Attribute Name | Value |
|---|---|
| Color | Gray Brown¹ |
| Viscosity | >1,000,000 cP² |
| Flow Rate | 100 – 250 seconds³ |
| Net Weight | 13.8 lb/gal (1.65 g/cm³) |
| 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 Measured as time to dispense 20 g at 345 kPa (50 psi) through a 2.5 mm (0.10 in) orifice.
| Attribute Name | Value |
|---|---|
| Cured Color | Gray Brown |
| Shore D Hardness | 85 (ASTM D2240) |
| Attribute Name | Test Method | Value |
|---|---|---|
| Overlap Shear Strength (Cold Rolled Steel, MEK/Abrade/MEK, 7 Days Dwell Time) | ASTM D1002, ISO 4587 | 2500 psi (17 MPa)¹ |
| T-Peel Adhesion (Aluminum, 23°C / 73°F) | ASTM D1876 | 2 lb/in (4 N/cm)² |
| T-Peel Adhesion (Steel, MEK Wipe, 23°C / 73°F) | ASTM D1876 | 5 lb/in (9 N/cm)² |
| Elongation at Break | – | 1% |
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 | -60 ~ 80°C | 44 x 10⁻⁶ m/m/°C |
| Thermal Conductivity | – | 0.422 W/m/K (0.244 (btu-ft)/(h-ft²-°F)) |
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