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3M™ Scotch-Weld™ Epoxy Adhesive 2216

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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
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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 for convenient and accurate metering, mixing and dispensing.
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).
Note: Our 3M™ Scotch-Weld epoxy adhesive 2

  • 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
  • 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
Specifications
Adhesive Type
Epoxy
Applications
Bonding, Bonding Rubber Floor Tiles, Hard Disk Drive Component Assembly, Potting
Application Temperature From (Celsius)
-55 Degree Celsius
Application Temperature To (Celsius)
80 Degree Celsius
Brand
Scotch-Weld™
Consumer Label
No
Design Challenges
Impact & Shock Absorption, Noise Vibration & Harshness Control NVH
Flame Retardant
NASA STD 6001, UL94 HB
Full Cure
30 Days @ 72 F (22 C), 7 Days @ 72 F (22 C)
Hardness
35-50 Shore D, 50-65 Shore D
Indoor/Outdoor
Both
Industries
Construction, Consumer Goods, Electronics, General Industrial, Metalworking, Military and Government, Signage, Specialty Vehicle, Transportation, Woodworking
National Stock Number
8040001450432, 8040014156090, 8040001450019, 8040010160554, 8040014929342, 8040001450432, 8040014157040, 8040014929342, 8040001450530, 8040014156091, 8040015009508
Open Time
120 minutes @ 72 F (22 C), 90 minutes @ 72 F (22 C)
Physical Form
Flowable Liquid
Position
Good
Product Form
Each, Kit
Product Type
Epoxy Adhesive
Shear Strength at 72 Degrees F (22 Degrees C)
1700 Pound-Force Per Square Inch, 3200 Pound-Force Per Square Inch
Shelf Life in Months (from date of manufacture)
24
Storage Temperature
72 Degree Fahrenheit, 72 F (22 C)
Viscosity
Self-Leveling
Volume (metric)
0.95 L, 43 mL, 60 mL, 950 mL
Work Time
90 Minutes
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