3M Scotch-Weld Epoxy Adhesive 2290 is a high-performance, heat-curable adhesive designed for superior metal bonding. This amber-tinted, low viscosity formulation offers exceptional versatility and strength for various industrial applications, particularly in the electrical and electronic manufacturing sectors.
Key Features and Benefits
- Exceptional Bonding Strength: Provides remarkably high shear and peel strength, ensuring durable and reliable bonds.
- Versatile Application: Low viscosity allows for multiple application methods including brushing, spraying, and dip coating.
- B-Staging Capability: Can be dried to a tack-free film, allowing bonds to be made up to 3 months later, enhancing manufacturing flexibility.
- Excellent Wetting: Superior wetting properties during cure require coating on only one surface, saving time and material.
- Heat-Curable Formula: Thermal curing process results in a rigid, durable bond with excellent heat and chemical resistance.
Product Details
3M Scotch-Weld Epoxy Adhesive 2290 is a solvent-based, thermosetting epoxy with 21% solids content. It's available in a 55-gallon drum, making it suitable for large-scale industrial applications. The amber tint allows for easy application tracking and inspection.
Applications
This versatile adhesive is ideal for various metal bonding applications, including:
- Assembling laminated steel cores for electrical motor stators and rotors
- Adhering copper foil in printed circuit manufacturing
- Coating and protecting electronic coils and subassemblies
- Bonding thin metal stack laminations, such as those in magnetic tape heads
Usage Tips
For optimal results, apply 3M Scotch-Weld Epoxy Adhesive 2290 to clean, dry surfaces. Heat press during cure is recommended for lamination applications. Typical curing conditions are 250°-350°F (120°-180°C) for 40-60 minutes to achieve full strength.
Why Choose 3M Scotch-Weld Epoxy Adhesive 2290?
3M Scotch-Weld Epoxy Adhesive 2290 offers a unique combination of high performance, versatility, and manufacturing flexibility. Its exceptional bonding strength, coupled with the ability to B-stage, makes it an ideal choice for complex assembly processes in industries requiring reliable, high-strength metal bonds. By choosing this 3M product, you're benefiting from decades of adhesive science and innovation, ensuring your manufacturing processes are efficient, effective, and future-ready.
For detailed usage instructions and product specifications, please refer to the manufacturer's documentation or contact our customer support team.
Product ID: Scotch-Weld 2290 UPC: 00-021200-76228-4, 00021200762284 Stock ID: 62-3847-9530-8, 62384795308
Brand : Scotch-Weld
Chemical Base : Epoxy
Color : Amber
Container Volume : 55 Gallon (US)
Full Cure : 30-60 minutes @ 350 F (177 C) @ 75 psi
Peel Strength at 72 Degrees F (22 Degrees C) : 10 Pound Per Inch (Of Width)
Physical Form : Liquid
Product Form : Gallon
Push To GSDB : True
Shear Strength at 72 Degrees F (22 Degrees C) : 5000 Pound-Force Per Square Inch
Shelf Life : 15 Month
Solids Weight Percent (Approximate) : 19.5 to 23 Percent
Specific Gravity : 1.2 in dried state
Storage Temperature : 72 Degree Fahrenheit
Time to Handling Strength : 45 Minute
Units per Case : 1
Viscosity Range (cps) at Room Temperature : 1-100
Units per Pallet : 216 Gallon
Harmonizing Code : 3506910000
ECCN : EAR99