3M Scotch-Weld Epoxy Adhesive DP420NS is a high-performance structural adhesive designed for demanding industrial bonding applications. This two-part epoxy provides exceptional strength, durability, and versatility for joining a wide range of materials. With its unique formulation, it offers superior resistance to impact, fatigue, and environmental factors, making it ideal for use across manufacturing, automotive, aerospace, and general assembly industries.
Key Features and Benefits
- Toughened Formula: Provides excellent impact and fatigue resistance for long-lasting bonds
- High Temperature Resistance: Maintains bond strength at high temperatures, withstanding paint bake operations up to 400°F for 60 minutes
- Non-Sag Application: Stays in place when applied, ensuring precise and controlled bonding
- Versatile Substrate Compatibility: Bonds effectively to metals, ceramics, wood, glass, composites, and many plastics
- 20-Minute Work Life: Allows ample time for positioning and adjustment before curing
Product Details
3M Scotch-Weld Epoxy Adhesive DP420NS is a black, two-part epoxy with a 2:1 mix ratio. It reaches handling strength in approximately two hours and fully cures in 24 hours at 72°F (22°C). This adhesive meets UL 94 HB requirements and is available in various package sizes, including 5-gallon containers.
Applications
Ideal for a wide range of industrial applications, including:
- Small joint assembly
- Heavy-duty mounting
- Metalworking
- Carbon fiber epoxy bonding
- Structural bonding in aerospace and automotive industries
Usage Tips
For optimal results, ensure surfaces are clean, dry, and free from oil or grease. Use 3M dispensing equipment for convenient and accurate metering, mixing, and dispensing. Allow sufficient time for full cure before subjecting the bond to stress.
Why Choose 3M Scotch-Weld Epoxy Adhesive DP420NS?
3M Scotch-Weld Epoxy Adhesive DP420NS offers a superior combination of strength, durability, and ease of use. Its ability to replace mechanical fasteners, screws, rivets, and spot welds in many applications makes it an invaluable solution for industrial bonding challenges. With its high performance in extreme conditions and versatility across substrates, this adhesive provides reliable, long-lasting bonds for your most demanding projects.
For detailed usage instructions and product specifications, please refer to the manufacturer's documentation or contact our customer support team.
Product ID: Scotch-Weld 420NS UPC: 00-021200-31309-7, 00021200313097 Stock ID: 62-3399-8530-1, 62339985301
Brand : Scotch-Weld
Chemical Base : Epoxy
Color : Black
Container Volume : 5 Gallon (US)
Full Cure : 24 hours @ 72 F (22 C)
Hardness : 75-80 Shore D
Mix Ratio Volume Base:Accelerator : 12/31/1899 2:01:00 AM
Peel Strength at 72 Degrees F (22 Degrees C) : 50 Pound Per Inch (Of Width)
Physical Form : Flowable Liquid
Product Form : Gallon
Push To GSDB : True
Shear Strength at 72 Degrees F (22 Degrees C) : 4500 Pound-Force Per Square Inch
Shelf Life : 24 Month
Specific Gravity : 1.11
Storage Temperature : 72 Degree Fahrenheit
Time to Handling Strength : 2 Hour
Units per Case : 1
Viscosity Range (cps) at Room Temperature : 60,000-130,000
Units per Pallet : 180 Gallon
Harmonizing Code : 3824902800
ECCN : EAR99