3M Scotch-Weld Epoxy Adhesive 2216 B/A Tan NS Datasheet 3M Scotch-Weld Epoxy Adhesive 2216 B/A Tan NS

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  • Description for 3M Scotch-Weld Epoxy Adhesive 2216 B/A Tan NS

    It is a flexible, two-part, room temperature curing epoxy with high peel and shear strength, Resistant to extreme shock, vibration, and flexing.

    *See Terms of Use Below

    Brand Scotch-weld
    Chemical Resistance Air, Chemical Resistance: Fluid Resistance: Tap water, Anti-icing Fluid, Good, Hydraulic oil, Hydrocarbon fluid, JP-4 fuel, Salt spray
    Application Type Bond
    1 Part or 2 Part 2-Part
    Material Form Liquid
    Substrate Aluminum, Glass, Metal, Plastic, Polycarbonate, Rubber, Cold rolled Steel, Wood, Epoxy, ABS Alloy, Steel
    Industry Aerospace, Transportation, Aircraft
    Manufacturer 3M
    Chemistry Epoxy
    Application Method Spatula, Trowel
    Cure Method 2-Part Cure, Room temperature cure
    Cure Temperature (°C) 24, 66, 93, 20 to 25 Room temperature
    Cure Time (min) 10,080, 120, 30
    Viscosity (cPs) Non-sag, 350,000
    Color Tan
    Arc Resistance (sec) Arc
    Aging Resistance Aging resistance
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -55
    Other Resistance Resistant to flexing
    Volume Resistivity (O) 3.0e12 (ohms/cm)
    Key Specifications DOD (U.S. Department of Defense): DOD-A-82720

  • Technical Data for 3M Scotch-Weld Epoxy Adhesive 2216 B/A Tan NS

    *See Terms of Use Below

    Overview
    • Chemical Resistance
      • Chemical Resistance : Fluid Resistance : Water Resistance - Tap water
      • Chemical Resistance - Air, Anti-icing Fluid, Good, Hydraulic oil, Hydrocarbon fluid, JP-4 fuel, Salt spray
    • Application Type
    • 1 Part or 2 Part
      • 2-Part
    • Material Form
      • Liquid
    • Substrate
    • Industry
    • Chemistry
    • Application Method
      • Dispenser - Dispensing equipment
      • Flow - Flow equipment
      • Spatula/Trowel - Trowel, Spatula
    • Cure Method
      • Room Temperature / Air Dry - Room temperature cure
      • 2-Part Cure
    • Color
      • Brown - Tan
    • Key Specifications
      • DOD (U.S. Department of Defense) : A-82720 - DOD-A-82720
    • Brand
      • Scotch-weld
    Specifications
    Cure Specs
    Cure Temperature (°C) 24, 66, 93, 20 to 25 Room temperature
    Cure Time (min) 10,080, 120, 30
    Viscosity (cPs) Non-sag, 350,000 Test Method
    Fixture or Handling Strength Time (min) 480 to 720 Test Method
    Work / Pot Time (min) 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, 2,000, 2,500, 400, 2,350, 3,100, 1,140, 1,730, 1,110, 1,650, 610, 1,290 Test Method
    Material Resistance
    Arc Resistance (sec) Arc
    Aging Resistance Aging resistance
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -55
    Moisture/Humidity Resistance Moisture/humidity resistance
    Other Resistance Resistant to flexing
    Vibration Resistance/Shock Resistance Resistant to extreme vibration, Resistant to extreme shock
    Conductivity
    Dissipation Factor 0.11900 Test Method
    Dielectric Strength (V/mil) 408
    Dielectric Constant 6.30 Test Method
    Thermal Conductivity (W/m°K) 0.20
    Volume Resistivity (O) 3.0e12 (ohms/cm) Test Method
    Hardness
    Shore D Hardness 65 to 70 Test Method
    Flexibility Flexible
    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., 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 24 months from date of manufacture from 3M.
    Shelf Life Temperature (°F) 61 to 81, 60 to 80
    Shelf Life Type From date of shipment, From date of manufacture
    Shelf Life (mon) 24, 24

  • Best Practices for 3M Scotch-Weld Epoxy Adhesive 2216 B/A Tan NS

    *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. The following cleaning methods are suggested for common surfaces

      Steel or Aluminum (Mechanical Abrasion) 1)Wipe free of dust with oil-free solvent such as acetone or alcohol solvents 2) Sandblast or abrade using clean fine grit abrasives (180 grit or finer). 3) Wipe again with solvents to remove loose particles. 4)If a primer is used, it should be applied within 4 hours after surface preparation .Aluminum (Chemical Etch): Aluminum alloys may be chemically cleaned and etched as per ASTM D 2651. This procedure states to: 1) Alkaline Degrease – Oakite 164 solution (9-11 oz/gal of water) at 190°F ± 10°F (88°C ± 5°C) for 10-20 minutes. Rinse immediately in large quantities of cold running water 2) To prepare 1 liter of this solution, dissolve sodium dichromate in 700 ml of distilled water. Add sulfuric acid and mix well. Add additional distilled water to fill to 1 liter. Heat mixed solution to 66 to 71°C (150 to 160°F). Dissolve 1.5 grams of 2024 bare aluminum chips per liter of mixed solution. Gentle agitation will help aluminum dissolve in about 24 hours To etch aluminum panels, place them in FPL etch solution heated to 66 to 71°C (150 to 160°F). Panels should soak for 12 to 15 minutes 3)Rinse: Rinse panels in clear running tap water 4)Dry: Air dry 15 minutes

      force dry 10 minutes (minimum) at 140°F (60°C) maximum 5)If primer is to be used, it should be applied within 4 hours after surface preparation Plastics/Rubber

      Wipe with isopropyl alcohol.

      Abrade using fine grit abrasives (180 grit or finer)

      Wipe with isopropyl alcohol.

      Glass

      Solvent wipe surface using acetone or MEK.

      Apply a thin coating (0.0001 in. or less) of 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3901 to the glass surfaces to be bonded and allow the primer to dry a minimum of 30 minutes @ 75°F (24°C) before bonding.

    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 Scotch-Weld Epoxy Adhesive 2216 B/A Tan NS

    *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

    • Hardman
      High-Peel-Strength Orange Package #04007(Hardman)

      A semi–rigid, two–component structural epoxy adhesive. It develops an excellent combination of shear strength and peel strength with only a room temperature cure. It has excellent shock resistance, vibration resistance and impact strength.

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Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time Fixture-Handling Strength Test Method
480 to 720 min Time to Handling Strength
Viscosity Test Methods
Viscosity Test Method
Non-sag
350,000 cPs Brookfield RVF #7 sp. @ 20 rpm
Work / Pot Time Test Methods
Work / Pot Time Test Method
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
2,000 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
2,500 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
400 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
2,350 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
3,100 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).
1,140 psi Overlap shear strength Styrene Butadiene Rubber/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).
1,730 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).
1,110 psi Overlap shear strength PVC/PVC, Rigid 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).
1,650 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).
610 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).
1,290 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).
Dielectric Constant Test Methods
Dielectric Constant Test Method
6.30 1 Khz
Dissipation Factor Test Methods
Dissipation Factor Test Method
0.11900 1 Khz
Volume Resistivity Test Methods
Volume Resistivity Temp (°C) Test Method
3.0e12 (ohms/cm) 23°C 73°F (23°C) @ 500 volts DC
Shore D Hardness Test Methods
Shore D Hardness Shore Hardness Test Method
65 to 70 ASTM D-2240