3M 2216 B/A Gray

3M 2216 B/A Gray Datasheet
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  • Description for 3M 2216 B/A Gray

    Long worklife rigid epoxy • 8-12 hrs. handling strength • Bond plastic, metal, and other dissimilar materials

    *See Terms of Use Below

    Application Type Bond
    1 Part or 2 Part 2 Part
    Material Form Liquid
    Substrate Aluminum , Copper, Glass, Metal, Plastic, Rubber, Cold rolled Steel, Wood, Epoxy, Brass, Galvanized Steel, Stainless Steel, Styrene Butadiene Rubber, Galvanized Steel, Etched Aluminum , ABS Alloy, Steel
    Industry Aerospace, Transportation, Aircraft
    Manufacturer 3M
    Chemistry Epoxy, Modified Amine, Epoxy: Modified Epoxy
    Cure Method Air dry, Base/Accelerator
    Cure Temperature (°C) 24, 66, 93, 20 to 25
    Cure Time (min) 10,080, 120, 30
    Viscosity (cPs) 80,000
    Color Gray
    Aging Resistance Aging resistance
    Arc Resistance (sec) Arc
    Chemical Resistance Air, Anti-icing Fluid, Good, Hydraulic oil, Hydrocarbon fluid, JP-4 fuel, Salt spray, Tap water
    Density (g/cm³) 11.1 to 11.6 (weight (lbs/gal)), 10.5 to 11 (weight (lbs/gal))
    Key Specifications DOD (U.S. Department of Defense): DOD-A-82720

  • Technical Data for 3M 2216 B/A Gray

    *See Terms of Use Below

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 2 Part
      • Part A Name - Base
      • Part B Name - Accelerator
    • Material Form
      • Liquid
    • Substrate
    • Industry
    • Chemistry
      • Epoxy
      • Epoxy: Modified Epoxy
      • Other - Modified Amine
    • Cure Method
      • Room Temperature / Air Dry - Air dry
      • 2-Part Cure - Base/Accelerator
    • Color
      • Gray
    • Key Specifications
      • DOD (U.S. Department of Defense): A-82720 - DOD-A-82720
    Specifications
    Cure Specs
    Cure Temperature (°C) 24, 66, 93, 20 to 25
    Cure Time (min) 10,080, 120, 30
    Viscosity (cPs) 80,000 Test Method
    Fixture or Handling Strength Time (min) 480 to 720
    Work / Pot Time (min) 90, 90, Long Test Method
    Mix Ratio 2:3 (by volume), 5:7 (by weight)
    Bond Strength
    Structural/Load-Bearing Structural
    Peel Strength (piw) High, 25 Test Method
    Shear Strength (psi) High, 2,440, 2,740, 3,000, 3,000, 3,200, 400, 1,850, 1,700, 1,900, 1,800, 1,050, 850, 200, 220, 990, 940, 1,170, 1,100, 1,660, 610, 1,290 Test Method
    Material Resistance
    Aging Resistance Aging resistance
    Arc Resistance (sec) Arc
    Chemical Resistance Air, Anti-icing Fluid, Good, Hydraulic oil, Hydrocarbon fluid, JP-4 fuel, Salt spray, Tap water
    Moisture/Humidity Resistance Moisture/humidity resistance
    Conductivity
    Dissipation Factor 0.11200, 0.42200 Test Method
    Dielectric Strength (V/mil) 408
    Dielectric Constant 5.51, 14.17 Test Method
    Thermal Conductivity (W/m°K) 0.39
    Volume Resistivity (O) 1.9e12 (ohms/cm) Test Method
    Hardness
    Shore D Hardness 50 to 65 Test Method
    Flexibility Rigid
    Other Properties
    Outgassing 0.77 (%TML), 0.04 (%CVCM), 0.23 (%Wtr)
    Coefficient of Thermal Expansion (CTE) 102e-6 (in./ in/°C), 134e-6 (in./ in/°C) Test Method
    Density (g/cm³) 11.1 to 11.6 (weight (lbs/gal)), 10.5 to 11 (weight (lbs/gal))
    Business Information
    Shelf Life Details Store products at 60-80°F (16-27°C) for maximum storage life., When stored at the recommended temperatures in the original, unopened containers,the shelf life is two years from date of shipment from 3M.
    Shelf Life Temperature (°F) 61 to 81
    Shelf Life Type from date of shipment
    Shelf Life (mon) 24

  • Best Practices for 3M 2216 B/A Gray

    *See Terms of Use Below

    1. Surface Preparation

      For high strength structural bonds, paint, oxide films, oils, dust, mold release agents and all other surface contaminants must be completely removed. However, the amount of surface preparation directly depends on the required bond strength and the environmental aging resistance desired by user.

      See Vender data sheet for more information

    2. Application

      Application to the substrates should be made within 90 minutes. Larger quantities and/or higher temperatures will reduce this working time.

      Join the adhesive coated surfaces and allow to cure at 60°F (16°C) or above until firm. Heat, up to 200°F (93°C), will speed curing.

      Keep parts from moving until handling strength is reached. Contact pressure is necessary. Maximum shear strength is obtained with a 3-5 mil bond line. Maximum peel strength is obtained with a 17-25 mil bond line.

    3. Mixing

      These products consist of two parts. Mix thoroughly by weight or volume in the proportions specified on the product label and in the uncured properties section. Mix approximately 15 seconds after a uniform color is obtained.

    4. Clean-Up

      Excess uncured adhesive can be cleaned up with ketone type solvents., When using solvents, extinguish all ignition sources, including pilot lights, and follow the manufacturer’s precautions and directions for use. Use solvents in accordance with local regulations.

  • Comparable Materials for 3M 2216 B/A Gray

    *See Terms of Use Below

    Spec Engine® Results

    • 3M
      2216 B/A(3M)

      Long worklife rigid epoxy • 16-20 hrs. handling strength • Bond plastic, metal, and other dissimilar materials, translucent version

    • Delo
      Duopox SJ8665(Delo)

      Delo Duopox SJ8665 is a 2 Part 2-Part Cure Epoxy: Modified epoxy resin Liquid used to Adhere Metal

    • Delo
      Duopox DB8989(Delo)

      Delo Duopox DB8989 is a 2 Part Light-fixable Halogen-free according to IEC 61249-2-21 Liquid used to Adhere Metal

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Viscosity Test Methods
Viscosity Test Method
80,000 cPs Brookfield RVF #7 sp. @ 20 rpm
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
90 min Base, 100 g Mass @ 75°F 24°(C) 24°C
90 min Accelerator, 100 g Mass @ 75°F (24°C) 24°C
Long
Peel Strength Test Methods
Peel Strength Type Test Temperature Test Method
High
25 piw T-peel strength 24°C ASTM D 1876
Shear Strength Test Methods
Shear Strength Type Cure Time Cure Temperature Substrate Test Temperature Test Method
High
2,440 psi Overlap shear strength 120 min 64 to 68°C Etched Aluminum -253°C ASTM D 1002, Cure: 2 hours @ 150 ± 5°F (66°C ± 2°C), 2 psi pressure
2,740 psi Overlap shear strength 120 min 64 to 68°C Etched Aluminum -196°C ASTM D 1002, Cure: 2 hours @ 150 ± 5°F (66°C ± 2°C), 2 psi pressure
3,000 psi Overlap shear strength 120 min 64 to 68°C Etched Aluminum -73°C ASTM D 1002, Cure: 2 hours @ 150 ± 5°F (66°C ± 2°C), 2 psi pressure
3,000 psi Overlap shear strength 120 min 64 to 68°C Etched Aluminum -53°C ASTM D 1002, Cure: 2 hours @ 150 ± 5°F (66°C ± 2°C), 2 psi pressure
3,200 psi Overlap shear strength 120 min 64 to 68°C Etched Aluminum 24°C ASTM D 1002, Cure: 2 hours @ 150 ± 5°F (66°C ± 2°C), 2 psi pressure
400 psi Overlap shear strength 120 min 64 to 68°C Etched Aluminum 82°C ASTM D 1002, Cure: 2 hours @ 150 ± 5°F (66°C ± 2°C), 2 psi pressure
1,850 psi Overlap shear strength Aluminum/Aluminum 24°C Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
1,700 psi Overlap shear strength Cold Rolled Steel/Cold Rolled Steel 24°C Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
1,900 psi Overlap shear strength Stainless Steel/Stainless Steel 24°C Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
1,800 psi Overlap shear strength Galvanized Steel/Galvanized Steel 24°C Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
1,050 psi Overlap shear strength Copper/Copper 24°C Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
850 psi Overlap shear strength Brass/Brass 24°C Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
200 psi Overlap shear strength Styrene Butadiene Rubber/Steel 24°C Substrate failed during the test, Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
220 psi Overlap shear strength Neoprene Rubber/Steel 24°C Substrate failed during the test, Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
990 psi Overlap shear strength ABS/ABS Plastic 24°C Substrate failed during the test, Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
940 psi Overlap shear strength PVC/PVC, Rigid 24°C Substrate failed during the test, Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
1,170 psi Overlap shear strength Polycarbonate/Polycarbonate 24°C Substrate failed during the test, Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
1,100 psi Overlap shear strength Acrylic/Acrylic 24°C Substrate failed during the test, Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
1,660 psi Overlap shear strength Fiber Reinforced Polyester/Reinforced Polyester 24°C Substrate failed during the test, Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
610 psi Overlap shear strength Polyphenylene Oxide/PPO 24°C Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
1,290 psi Overlap shear strength PC/ABS Alloy / PC/ABS Alloy 24°C Overlap shear strengths were measured on 1" x 1/2" overlap specimens. These bonds were made individually using 1" by 4" pieces of substrate (Tested per ASTM D 1002).
Dielectric Constant Test Methods
Dielectric Constant Temperature Test Method
5.51 23°C @ 73°F (23°C), Measured @ 1.00 KHz
14.17 60°C @140°F (60°C), Measured @ 1.00 KHz
Dissipation Factor Test Methods
Dissipation Factor Temperature Test Method
0.11200 23°C Dissipation Factor, Measured @ 1.00 KHz
0.42200 60°C Dissipation Factor, Measured @ 1.00 KHz
Volume Resistivity Test Methods
Volume Resistivity Temp (°C) Test Method
1.9e12 (ohms/cm) 23°C 73°F (23°C) @ 500 volts DC
Shore D Hardness Test Methods
Shore D Hardness Shore Hardness Test Method
50 to 65 ASTM D-2240
Coefficient of Thermal Expansion (CTE) Test Methods
Coefficient of Thermal Expansion (CTE) CTE Temperature (°C)
102e-6 (in./ in/°C) 0 to 40°C
134e-6 (in./ in/°C) 40 to 80°C