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3M DP2216 Epoxy Adhesive for Flexible Metal Plastic Glass and Cryogenic Bonding
| Item | Specification |
|---|---|
| Brand | 3M |
| Product Name | 3M™ Scotch-Weld™ Epoxy Adhesive DP2216 Gray |
| Common Name | 3M DP2216 / 3M Scotch-Weld 2216 B/A Gray |
| Product Type | Two-Part Flexible Epoxy Adhesive |
| Color | Gray |
| Package Reference | 41.5 mL Duo-Pak Cartridge |
| 3M ID Reference | 7100262036 |
| UPC Reference | 00068060001153 |
| Mix Ratio by Volume | 2:3, B:A |
| Mix Ratio by Weight | 5:7, B:A |
| Open Time / Work Life | Approx. 90 minutes |
| Handling Strength | 8–12 hours at 23°C |
| Full Cure | 7 days at 23°C |
| Heat Cure Reference | 120 minutes at 66°C / 30 minutes at 93°C |
| Shore D Hardness | 57 reference |
| T-Peel Adhesion | 44 N/cm reference |
| Main Features | Flexible, high peel strength, high shear strength, shock and vibration resistance |
| Main Substrates | Metals, woods, plastics, rubbers, masonry, ceramics, glass |
| Typical Applications | Cryogenic bonding, potting, transportation bonding, aerospace bonding, mixed material bonding |
| Application System | 3M EPX Duo-Pak cartridge and static mixer system |
3M DP2216 Epoxy Adhesive Overview
3M DP2216 Epoxy Adhesive is a professional flexible two-part epoxy adhesive designed for metal bonding, plastic bonding, glass bonding, rubber bonding, ceramic bonding and cryogenic bonding applications. It is part of the 3M Scotch-Weld epoxy adhesive family and is widely used when high peel strength, high shear strength, flexibility and resistance to vibration are required. For manufacturers, repair teams and adhesive distributors looking for a durable flexible epoxy adhesive, 3M DP2216 provides a practical and reliable bonding solution.
This product is also known as 3M Scotch-Weld Epoxy Adhesive DP2216 Gray, 3M Scotch-Weld 2216 B/A Gray, or 3M DP2216 flexible epoxy adhesive. It is a two-part room temperature curing epoxy that remains flexible after curing, making it suitable for assemblies that experience movement, shock, vibration, impact, expansion or contraction. Compared with rigid epoxy adhesives, DP2216 helps absorb stress and reduce the risk of brittle bond failure.
Key Features of 3M DP2216 Epoxy Adhesive
Flexible Two-Part Epoxy Adhesive
One of the main advantages of 3M DP2216 Epoxy Adhesive is its flexible cured bond. This flexibility makes it ideal for bonding dissimilar materials that may expand and contract at different rates. It can help maintain bond strength when bonded parts experience vibration, thermal cycling, mechanical movement or limited flexing. This makes it suitable for transportation, aerospace, industrial equipment and mixed-material assembly applications.
High Peel and Shear Strength
3M DP2216 Epoxy Adhesive is designed to provide both high peel strength and high shear strength. These properties are important for applications where bonded parts must resist pulling, peeling, vibration and handling stress. The adhesive can help create strong and durable bonds on properly prepared metals, plastics, rubbers, woods, masonry products, ceramics and glass.
Excellent for Cryogenic Bonding
3M DP2216 is well known for cryogenic bonding applications and assemblies exposed to extreme cold. The adhesive can maintain useful performance under very low temperature conditions without becoming brittle. This makes it suitable for specialized applications where ordinary adhesives may lose flexibility or fail under cold temperature exposure.
Long Work Life for Accurate Assembly
3M DP2216 Epoxy Adhesive provides approximately 90 minutes of work life at room temperature. This extended working time allows users to apply adhesive, position parts, adjust alignment and complete assembly before the adhesive begins to build strength. It is especially useful for larger bonding areas, complex parts, potting applications and manual assembly processes that require careful positioning.
Typical Applications of 3M DP2216 Epoxy Adhesive
3M DP2216 Epoxy Adhesive can be used in many professional bonding applications. Typical uses include cryogenic bonding, potting, sealing, transportation bonding, aerospace bonding, metal bonding, plastic bonding, rubber bonding, ceramic bonding, glass-to-metal bonding, masonry bonding and mixed-material assembly. It is also useful for parts subject to thermal cycling, vibration or mechanical movement.
In transportation and aerospace applications, DP2216 can help bond components that experience vibration and thermal expansion. In electronic and industrial potting applications, it can protect parts subject to thermal cycling. In general industrial manufacturing, it can bond many prepared substrates while maintaining flexibility after cure. For buyers searching for 3M DP2216, 3M Scotch-Weld 2216, flexible epoxy adhesive, cryogenic epoxy adhesive, two-part epoxy adhesive, metal bonding epoxy or glass bonding epoxy, this product is a strong choice.
How to Use 3M DP2216 Epoxy Adhesive
Before applying 3M DP2216 Epoxy Adhesive, bonding surfaces should be clean, dry and free from oil, dust, grease, oxide films, mold release agents and other contaminants. Proper surface preparation is important for achieving high bond strength and long-term durability. For metals, abrasion and solvent cleaning can help improve adhesion. For plastics and rubber, cleaning with isopropyl alcohol and light abrasion may be suitable depending on the substrate.
Dispense the adhesive using a compatible 3M EPX applicator and static mixing nozzle, or mix the base and accelerator thoroughly according to the specified ratio. Apply the mixed adhesive evenly to the bonding area, join the parts within the work life and hold or fixture the assembly until handling strength is achieved. Room temperature curing is possible, while heat can be used to accelerate cure when suitable for the substrates and assembly design.
Why Choose 3M DP2216 Epoxy Adhesive
3M DP2216 Epoxy Adhesive is a reliable choice for users who need a flexible two-part epoxy adhesive with high peel strength, high shear strength, excellent environmental aging resistance and strong performance under vibration, shock and thermal cycling. It is suitable for metal, plastic, glass, rubber, ceramic, wood and masonry bonding. With its long work life, room temperature cure and flexible bond performance, 3M DP2216 provides a professional adhesive solution for demanding industrial, transportation, aerospace and cryogenic bonding applications.
