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3M™ Scotch-Weld™ Epoxy Adhesive 2216

12  products
  • 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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Specifications
Adhesive Type
Epoxy
Applications
Bonding, Encapsulating, Hard Disk Drive Component Assembly, Impact resistant, Large Surface Lamination Assembly, Mounting and Trim Attachment, Panel to Frame/Stiffner to Panel Assembly, Potting, Sealing, Sealing, Potting and Encapsulating, Small Joint Assembly, Structural Bonding, Vibration resistant
Brand
Scotch-Weld™
Colour
Grey, Translucent
Consumer Label
No
Design Challenges
Impact & Shock Absorption, Noise Vibration & Harshness Control NVH
Flame Retardant
NASA STD 6001, UL94 HB
Full Cure
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
Maximum Operating Temperature (Fahrenheit)
350 Degree Fahrenheit
Mix Ratio Volume Base:Accelerator
1 : 1, 2 : 3
Open Time
120 minutes @ 72 F (22 C), 90 minutes @ 72 F (22 C)
Physical Form
Flowable Liquid
Position
Good
Product Form
Each, Gallon, Kit
Product Type
Epoxy Adhesive
Set Time
>25 Minutes
Shear Strength at 72 Degrees F (22 Degrees C)
3200 Pound-Force Per Square Inch
Shelf Life in Months (from date of manufacture)
24
Specific Gravity
1.00, 1.07, 1.15, 1.16, 1.29, 1.32, 1.36
Storage Temperature
72 Degree Fahrenheit, 72 F (22 C)
Substrate
ABS, Acrylic, Ceramic, Elastomers, EPDM, EPDM Rubber, Glass, Glass & Ceramics, HSE Plastics and Glass, Metal, Metal (Painted), Metal (Unpainted), Nylon, Paint, Paints (Powder Coat, Painted Metal, Composite Panel), Plastics (ABS, PVC, Acrylic), Plastics (High Performance Nylon), Plastics: HSE, MSE (ABS, Acrylic, Polycaronate, Nylon), PVC, Rubber, Rubber (Except EPDM), Stone, Very rough surfaces, Vinyl Plasticized, Wood, Wood & Hardboard
Substrate 1
ABS, Acrylic, Ceramic, Elastomers, EPDM Rubber, Glass, Metal, Metal (Unpainted), Nylon, Paint, Plastic, Easy-to-Bond (HSE), Plastics: HSE, MSE (ABS, Acrylic, Polycaronate, Nylon), PVC, Rubber, Rubber (Except EPDM), Stone, Vinyl Plasticized, Wood
Substrate 2
ABS, Acrylic, Ceramic, Elastomers, EPDM Rubber, Glass, Glass & Ceramics, HSE Plastics and Glass, Metal, Metal (Painted), Metal (Unpainted), Nylon, Paint, Paints (Powder Coat, Painted Metal, Composite Panel), Plastics (ABS, PVC, Acrylic), Plastics (High Performance Nylon), Plastics: HSE, MSE (ABS, Acrylic, Polycaronate, Nylon), PVC, Rubber, Rubber (EPDM, TPV), Rubber (Except EPDM), Stone, Very rough surfaces, Vinyl Plasticized, Wood, Wood & Hardboard
Units per Case
1, 12, 2, 6
Viscosity
Self-Leveling
Viscosity Range (cps) at Room Temperature
80,000, Base: 11,000 - 15,000, Accelerator: 5,000 - 9,000, Base: 75,000, Accelerator: 150,000
Volume
1 Gallon (US), 1 Liquid Quart(US), 1.51 Fluid Ounce (US), 2 Fluid Ounce (US), 5 Gallon (US)
Volume (metric)
0.95 Litre, 19 Litre, 3.8 Litre, 4.55 Litre, 43 Millilitre, 60 Millilitre, 950 Millilitre
Work Time
90 Minutes
Details
  • 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.

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 colours to ensure you know which half of the product you are using. We've designed 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).

Suggested Applications

  • Designed for general industrial, sporting goods, solar energy, wind energy, composites, electronics, military, transportation, and aerospace applications
  • Ideal for panel & trim bonding, gluing, joining, attaching, assembling, applications
  • Alternative to riveting or welding, bolt setting, frame building, rivet-free assembly
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