3M SCOTCH-WELD-DP270-CLEAR (48.5ML-DUO-PAK)

Additional Product Information

Overview

This two-part epoxy potting compound/adhesive is designed for sealing, encapsulating, and protecting electronic components in aviation and MRO operations. Teams rely on its noncorrosive properties, excellent thermal shock resistance, and long-lasting electrical insulation to maintain critical systems in aircraft. Its low-viscosity formulation allows precise application, ensuring reliability in sensitive electronics and structural bonding tasks.

Key Technical Specs for 3M Scotch-Weld Epoxy Potting Compound/Adhesive DP270

• Type: Two-part epoxy potting compound/adhesive
• Size/Volume: Available in bulk containers and 3M EPX Applicator cartridges
• Color: Clear or Black
• Viscosity/Consistency: Base 7000 16,000 cps, Accelerator 6000 12,000 cps @ 23 C (73 F)
• Cure/Working Time: Worklife 60 70 minutes @ 23 C (73 F); Tack-free 3 hours; Full cure 48 hours @ 23 C (73 F)
• Tensile/Peel Strength: Overlap shear 1700 2500 psi depending on substrate; 90 T-peel <2 piw (aluminum)
• Shore Hardness: 83 Shore D
• Service Temperature: -50 C to +100 C (-58 F to +212 F) with excellent thermal shock resistance
• Typical Uses: Potting and encapsulation of sensors, relays, coils, transformers, glass diodes; structural adhesive applications
• Shelf Life: 18 months from date of manufacture in original, unopened container

Approvals & Specifications

• UL 94 HB (File No. E61941)
• Passes ASTM D-3482 copper corrosion tests
• Passes Mil-S-46163 corrosion standards for aluminum, brass, steel

Typical Aircraft MRO / AOG Applications

• Encapsulation of avionics sensors and circuits
• Protection of transformers, coils, and relays on aircraft systems
• Structural bonding in electrical assemblies and panels
• Sealing critical components in high-humidity environments

Compatibility & Safety Notes

• Compatible with copper, aluminum, brass, steel, glass, plastics, and rubber (surface prep recommended)
• Personal protective equipment (PPE) such as gloves and eye protection recommended
• Handle solvents with care; follow ignition safety and manufacturer guidelines
• Not corrosive to metals; suitable for sensitive electronic components

Packaging & Procurement

• 3M EPX Applicator cartridges for multi-station dispensing
• Bulk containers for larger volume applications
• Storage: 60 80 F (16 27 C) for maximum shelf life
• Easy dispensing via spatula, trowel, or automated mixing equipment

Why 3M Scotch-Weld Epoxy Potting Compound/Adhesive DP270 is Chosen for AOG / MRO

• Reliable protection of sensitive electronics in critical aircraft systems
• Long worklife and controlled cure times allow flexible application during urgent maintenance
• Versatile: suitable for both potting/encapsulation and structural bonding
• Portable applicator options streamline multi-station or field operations

Practical Suggestions for Your Team (AOG Mindset)

• Keep EPX Applicator cartridges stocked for rapid aircraft maintenance
• Ensure staff are trained on surface preparation and mixing procedures
• Use small test quantities for delicate components to avoid exotherm
• Store bulk containers in controlled temperatures to maintain shelf life

Manufacture / Aviation Spec Codes

• Manufacturer: 3M
• Product ID: DP270 Clear and Black
• MIL/OEM Codes: Mil-S-46163 compliance; UL 94 HB (File No. E61941)

Alternative Names & Descriptions

• 3M Scotch-Weld Epoxy DP270 B/A
• 3M Epoxy Potting Compound DP270
• Scotch-Weld DP270 Adhesive Epoxy
• DP270 Clear Epoxy Adhesive
• DP270 Black Epoxy Potting Compound