3M SCOTCH-WELD-DP490 (400-ml-Kit)

Additional Product Information

Overview

DP490 is a two-component, thixotropic epoxy adhesive engineered for high-strength bonding applications in aviation and MRO environments. Teams rely on it for its toughness, gap-filling capability, and exceptional durability under heat, humidity, and chemical exposure. Its versatility makes it ideal for composite assemblies, metals, and many plastics, providing consistent, reliable performance in both scheduled maintenance and AOG situations.

Key Technical Specs for DP490

• Type: Two-component epoxy adhesive
• Size/Volume: Cartridge system compatible with 3M EPX Applicator
• Color: Black (Base) / Off-White (Accelerator)
• Consistency: Non-sag paste (thixotropic)
• Mix Ratio: 100:100 by weight, 50:50 by volume
• Work/Cure Time: Work life 1.5 hours at 23°C (73°F); Handling strength in 4–6 hours; Full cure in 7 days
• Tensile/Peel Strength: Shear strength up to 30.2 N/mm²; Peel strength up to 12.7 DaN/cm
• Service Temperature: -55°C to 175°C (-67°F to 347°F)
• Typical Uses: Aerospace composite assemblies, metal bonding, plastic adhesion, structural bonding
• Shelf Life: 15 months from date of dispatch when stored at 21°C (70°F) & 50% RH

Approvals & Specifications

• Conforms to BS 5350 C5 for shear testing
• Floating roller peel per BS 5350 C9
• 3M internal quality and performance standards

Typical Aircraft MRO / AOG Applications

• Composite panel assembly and repair
• Metal-to-metal structural bonding
• Plastic component attachment in cabin interiors
• Bonding of reinforced epoxy or phenolic components

Compatibility & Safety Notes

• Compatible with metals, composites, and many plastics including ABS, PVC, Valox, PMMA, Noryl
• Surface prep: Solvent wipe, Scotchbrite abrasion, optional primer 3M 3901
• PPE: Gloves and eye/face protection required
• Handling: Avoid skin/eye contact and inhalation of vapors; launder contaminated clothing
• Excess adhesive removal: 3M VHB Surface Cleaner, 3M Scotch-Grip Solvent No2, 3M Industrial Cleaner

Packaging & Procurement

• Cartridge system for use with 3M EPX Applicator
• Resealable caps and mixer nozzles for precise application
• Store at 15–25°C (59–77°F) for maximum shelf life
• Easy-to-use dispensing reduces waste and cleanup time

Why DP490 is Chosen for AOG / MRO

• High strength and toughness ensure reliable repairs under stress
• Rapid handling allows faster aircraft turnaround
• Versatile bonding for metals, composites, and plastics
• Portable cartridge system supports AOG operations

Practical Suggestions for Your Team (AOG Mindset)

• Stock multiple cartridges to minimize downtime
• Use proper surface prep to maximize bond strength
• Train technicians on applicator use and curing procedures
• Maintain PPE availability to ensure safe handling in the hangar

Manufacture / Aviation Spec Codes

• Manufacturer: 3M
• Product ID: DP490
• MIL/OEM/Export Codes: Contact 3M for specific compliance codes

Alternative Names & Descriptions

• 3M EPX Adhesive DP490
• 3M Scotch-Weld DP490
• 3M Black Gap-Filling Epoxy Adhesive
• 3M DP490 Two-Part Epoxy
• 3M Industrial Adhesive DP490