3M SCOTCH-WELD EC 3587 B/A B-1 (1-USPT-KIT)

Additional Product Information

Overview

3M Scotch-Weld Structural Adhesive EC-3587 B/A Gray is a two-part polyurethane adhesive that cures at room temperature or with heat to create a tough, impact-resistant bond. Designed for aviation and MRO applications, it provides exceptional adhesion to metals and many plastics. Teams rely on it for structural bonding, void filling, and fairing work, ensuring durable performance under high-stress and high-temperature conditions.

Key Technical Specs for 3M Scotch-Weld Structural Adhesive EC-3587 B/A Gray

• Type: Two-part polyurethane structural adhesive
• Size/Volume: Available in standard cartridge sizes; consult packaging for specifics
• Color: Gray (Base), Brown (Accelerator)
• Viscosity/Consistency: Viscous paste (Base), viscous liquid (Accelerator)
• Cure / Working Time: Worklife 5 20 min (Class B-1/4), 40 150 min (Class B-1) at 72 3 F (22 2 C)
• Tensile/Peel Strength: Overlap shear strength up to 3,765 psi (26.0 MPa) on aluminum at -40 F (-40 C)
• Shore Hardness: 62 (Shore D)
• Service Temperature: -40 F to 180 F (-40 C to 82 C)
• Typical Uses: Structural bonding, void/gap filling, fairing compound, high-stress adhesion
• Shelf Life: 6 months from shipment if stored in original unopened containers at 60 80 F (16 27 C)

Approvals & Specifications

• Manufactured under 3M Quality System registered to ISO 9002 standards
• Refer to 3M technical datasheets for adhesion promoters and primers (e.g., EC-1945 B/A)
• Meets typical aerospace adhesion requirements; consult OEM guidance for aircraft-specific approvals

Typical Aircraft MRO / AOG Applications

• Structural bonding of aluminum and metal components on commercial and military aircraft
• Gap filling in fuselage panels, fairing repairs, and composite structures
• Emergency on-ground repairs where high-strength adhesion is critical

Compatibility & Safety Notes

• Compatible with aluminum, steel, and many plastics; test on new substrates before use
• Use personal protective equipment (PPE) including gloves and eye protection
• Avoid moisture and contamination during mixing and application to ensure bond strength
• Clean excess adhesive with toluene or MEK before curing; follow all safety directions

Packaging & Procurement

• Available in standard cartridges for easy extrusion
• Store in tightly closed containers at 60 80 F (16 27 C) in a dry area
• Non-sag formula allows vertical and overhead applications
• Easy mixing due to contrasting base and accelerator colors

Why 3M Scotch-Weld Structural Adhesive EC-3587 B/A Gray is Chosen for AOG / MRO

• Provides fast, reliable bonding under high-stress and high-temperature conditions
• Versatile: functions as adhesive, void filler, or fairing compound
• Portable and easy to use in on-ground emergency repairs
• Sandable finish allows immediate overcoating and surface preparation

Practical Suggestions for Your Team (AOG Mindset)

• Maintain an adequate stock for emergency aircraft repairs
• Train teams on proper mixing ratios and worklife management
• Ensure surfaces are properly prepared to maximize bond strength
• Use heating options to accelerate cure time when necessary

Manufacture / Aviation Spec Codes

• Manufacturer: 3M Aerospace
• Product ID: EC-3587 B/A Gray
• MIL / OEM / Export Codes: Refer to 3M Technical Datasheets and OEM guidelines

Alternative Names & Descriptions

• 3M Scotch-Weld EC-3587 Gray
• EC-3587 B/A Structural Adhesive
• 3M EC-3587 Two-Part Polyurethane Adhesive
• Scotch-Weld Structural Gap Filler
• EC-3587 B/A Gray Aerospace Adhesive