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3M™ Scotch-Weld™ Epoxy Adhesive DP2216 Gray, 43
mL, 12 per case
3M ID 62221614357, 3M Product Number 2216, UPC 00021200566592
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Very flexible bond is resistant to extreme shock, vibration and flexing, making it ideal for potting
and applications in the transportation industries
Maintains a strong bond under expansion, contraction, and limited movement while retaining
good strength after environmental aging
Excellent for cryogenic bonding applications or adhering substrates that will be exposed to
extreme cold
Medium viscosity help minimize running, dripping, or migration while also self-leveling
Versatile bonding agent will adhered a wide variety of similar and dissimilar substrates, including
metals and masonry
Can be heat cured to reduce curing times from 7 days to as a little as 30 minutes
3M™ Scotch-Weld™ Epoxy Adhesive 2216 is a flexible, two-part epoxy adhesive that cures at room
temperature. It provides a high strength bond with both high shear and peel strength while remaining
highly flexible, making it ideal for applications where vibration and thermal expansion and contraction
are common. It also withstands very cold temperatures without becoming brittle.
When using a Duo-Pak (DP) size adhesive, rely on 3M dispensing equipment (PDF, 1.9 Mb) for
convenient and accurate metering, mixing and dispensing.
Details
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★★★★★
★★★★★
4.0
Very flexible bond is resistant to
extreme shock, vibration and
flexing, making it ideal for potting
and applications in the
transportation industries
Maintains a strong bond under
expansion, contraction, and
limited movement while retaining
good strength after environmental
aging
Excellent for cryogenic bonding
applications or adhering
substrates that will be exposed to
extreme cold More...
View all details
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Available in a variety
of sizes to meet your
project needs
Maintains a Strong Bond Under Expansion, Contraction, and Limited Movement
Our 3M™ Scotch-Weld™ Epoxy Adhesive 2216 is designed for applications where high performance
and flexible bonds are required. Its flexibility makes it ideal for applications involving dissimilar surfaces
and where differing coefficients of thermal expansion are a consideration. Once fully cured the epoxy
maintains an extremely strong bond under expansion, contraction and limited movement while also
maintaining a good retention of strength over time and after environmental aging. With a 2:3 mix ratio
it is a low viscosity epoxy. It flows smoothly for accurate dispensing. Both the base and accelerator are
coded in contrasting colors to ensure you know which half of the product you are using.
Recommended Applications
Cryogenic bonding applications where bonded agents might experience temperature extremes
Potting where expansion and thermal changes may occur, such as solar panels and appliance or
construction applications
Military bonding applications, for example bonding parts on movable transports
General aerospace and transportation bonding where vibrations and movement are common
Bonding ceramic, most plastics and glass to metal
Attaching various substrates to masonry and stone
Excellent for Cryogenic Bonding Applications
We've designed the 3M™ Scotch-Weld™ Epoxy Adhesive 2216 to perform
under extremely frigid temperatures. Because it can withstand temperatures up
to -423°F (-252°C), it is ideal for cryogenic bonding applications. At room
temperature it offers a 90 minute work life to allow for repositioning and
adjustments. It will slowly cure over 7 days, but can be heat cured to reduce this
to as little as 30 minutes (at 200°F/93°C.) It has a bonded shear strength that
can withstand up to 3,200 psi at 72°F (24°C).
Understanding Epoxy Adhesives
Epoxy adhesives, including 5 minute epoxy, are part of the class of adhesives
called "structural adhesives," which include polyurethane, acrylic, cyanoacrylate
and others. Epoxies are formulated as liquid reactive polymers that undergo a
chemical reaction when mixed and then cure to form a solid plastic material.
Once the two parts are mixed in their specified ratio, they begin the curing process and offer a limited
working time where the adhesive can be applied and the two surfaces positioned as needed. This work
life lasts anywhere from a few minutes to several hours. These structural adhesives provide high shear
and peel strengths, depending on the formula, and better heat and chemical resistance than other
common adhesives. In general, epoxy adhesives have the highest overall strength and offer the best
performance and most resistance to high temperatures, solvents and outdoor weathering.
Epoxy adhesive (often referred to as epoxy glue) is widely used in building and home construction;
aircraft and automobile manufacturing; bicycle, boat, golf clubs, ski and snowboard assembly as well as
a host of home use and other applications. It is used virtually anywhere high-strength bonds are
needed along with resistance to environmental conditions. These adhesives are popular for their ease
of use, mechanical strength and chemical resistance. Formulations can be created to make epoxy for
plastic flexible or epoxy for metal rigid, epoxy resin transparent or opaque, quick setting or slow
setting. The versatility with which these adhesives can be formulated helps meet almost any
requirement for bonding wood, metal, glass, stone and various plastics.
The 3M™ Scotch-Weld Epoxy Adhesive 2216 B/A product family is intended for industrial applications.
If you are looking for an adhesive specified for aerospace applications requiring conformance to
AS9100 quality management standard, please see the 3M™ Scotch-Weld EC-2216 B/A product family.
Click here for more information on 3M Structural Adhesives (PDF, 16 Mb).
Resources
Brochures
3M™ Scotch-Weld™ Structural Adhesives (PDF, 4.1MB)
Adhesives and Tapes Design Guide (PDF, 12.3MB)
Structural Adhesive Applicator and Nozzle Brochure (PDF, 937.1KB)
3M™ Scotch-Weld™ Structural Adhesives Sel Gd (PDF, 7.9MB)
Bulletins
Reviews
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I've been loving the se of this product. Been using it for years now.
Incentivized Review No
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No, I do not recommend this product.
Originally posted on 3M™ Scotch-Weld™ Epoxy Adhesive 2216
Quality of Product
Value of Product
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Yes · 1
No · 6
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our solar application, no problems. After trying so many products we are ok.
✔
Yes, I recommend this product.
Quality of Product
3M™ EPX Applicators and Nozzles Technical Bulletin (PDF, 169.1KB)
reflective commercial (PDF, 121.6KB)
Data Sheets
3M™ Scotch-Weld™ Epoxy Adhesive 2216 B/A (PDF, 514.2KB)
Technical Papers
Choosing and Using a Structural Adhesive White Paper (PDF, 697.5KB)
Surface Prep & Pretreatment for Structural Adhesive TechBulletin (PDF, 304.9KB)
Instructions for Dispensing/Troubleshooting Structural Adhesives (PDF, 162.4KB)
Accessory for
Customer Reviews
3M™ Scotch-Weld™ EPX 1:1
Plunger for EPX Plus II
Applicator, 50mL, 10 per
case
3M™ Scotch-Weld™ EPX
2:1 Plunger for EPX Plus II
Applicator, 48.5mL/50mL,
10 per case
3M™ Scotch-Weld™ EPX
Mixing Nozzle, Square
Gold, 37mL and 50mL, 72
nozzles per case
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· a year ago
Enjoy the project very much!
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· 3 years ago
Great Results
★★★★★★★★★★
Solartronik
Originally posted on 3M™ Scotch-Weld™ Epoxy Adhesive 2216
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Large Volume Order
If you are considering a large purchase of this or other 3M Industrial Adhesives and Tape products, our inside
sales team is ready to help by providing additional information and options. Our technical expertise, customer
support, and global capabilities put us in a unique position to address your biggest challenges, and we’ll do our
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