3M 3501 B/A

3M 3501 B/A Datasheet
  • Description for 3M 3501 B/A

    Fast cure rigid epoxy • 20-30 minutes handling strength • Bond metal, wood, most plastics, and masonry products

    *See Terms of Use Below

    Application Type Bond
    1 Part or 2 Part 2 Part
    Material Form Liquid
    Substrate Aluminum, Glass, Metal, Plastic, Rubber, Cold rolled Steel, Wood, 2024 T-3 clad aluminum , 2024 T-3 clad FPL etched aluminum , Steel
    Manufacturer 3M
    Chemistry Epoxy, Amine
    Application Method Spatula, Trowel
    Cure Method Base/Accelerator
    Cure Temperature (°C) 25, 24, 64 to 68
    Cure Time (min) Fast, 1,440, 15, 10
    Viscosity (cPs) 500,000, Controlled flow
    Color Gray
    Chemical Resistance Salt spray, Tap Water
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -55
    Density (g/cm³) 12.4 to 12.8 (weight (lbs/gal)), 11.7 to 12.1 (weight (lbs/gal))
  • Technical Data for 3M 3501 B/A

    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
    • Chemistry
    • Application Method
      • Flow - Flow Equipment
      • Spatula/Trowel - Spatula, Trowel
    • Cure Method
      • 2-Part Cure - Base/Accelerator
    • Color
      • Gray
    Specifications
    Cure Specs
    Cure Temperature (°C) 25, 24, 64 to 68
    Cure Time (min) Fast, 1,440, 15, 10
    Viscosity (cPs) 500,000, Controlled flow Test Method
    Fixture or Handling Strength Time (min) 20 to 30 Test Method
    Work / Pot Time (min) 6 to 10, 6 Test Method
    Thixotropic Thixotropic
    Mix Ratio 1:1 (by volume), 1.1:1 (by weight)
    Bond Strength
    Structural/Load-Bearing Structural
    Peel Strength (piw) 4, 10 Test Method
    Shear Strength (psi) High, 1,500, 2,400, 300, 1,000, 2,000, 150, 400, 500, 750, 900 Test Method
    Material Resistance
    Chemical Resistance Salt spray, Tap Water
    Environmental Resistance Good
    High Temperature Resistance (°C) 82
    Impact Resistance Impact resistance
    Low Temperature Resistance (°C) -55
    Moisture/Humidity Resistance Moisture/humidity resistance
    Conductivity
    Dielectric Strength (V/mil) 700
    Thermal Conductivity (W/m°K) 0.33
    Volume Resistivity (O) 1.2e13 (ohms/cm)
    Hardness
    Shore D Hardness 75 to 80
    Flexibility Rigid
    Other Properties
    Coefficient of Thermal Expansion (CTE) 60e-6 (in./ in/°C), 234e-6 (in./ in/°C) Test Method
    Density (g/cm³) 12.4 to 12.8 (weight (lbs/gal)), 11.7 to 12.1 (weight (lbs/gal))
    Business Information
    Shelf Life Details Store product at 60-80°F (15-27°C) or refrigerate for maximum storage life. Higher temperatures reduce normal storage life, Bulk 3M™ Scotch-Weld™ Epoxy Adhesive DP 3501 B/A has a shelf life of 24 months from the date of shipment from 3M when stored in its original unopened container.
    Shelf Life Temperature (°F) 59 to 81
    Shelf Life Type From Date of Shipment
    Shelf Life (mon) 24
  • Best Practices for 3M 3501 B/A

    *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 removed. The amount of surface preparation depends on the user’s required bond strength and environmental aging resistance., see the vendor technical data sheet for more information.

    2. Application

      Application to the substrates should be made within 6 minutes. Larger quantities and/or higher temperatures will reduce this working time.

      For maximum bond strength, apply product evenly to both surfaces to be joined.

      Join the adhesive coated surfaces and allow to cure at 60°F (16°C) or above until completely firm. Handling strength will be obtained in 20-30 minutes at 75°F (24°C) and a full cure in 24 hours.

      Keep parts from moving during cure. Contact pressure is necessary. Maximum shear strength is obtained with a 3-5 mil bond line.

    3. Mixing

      This product consists of two parts. Measure by weight or volume in proportions specified under Typical Uncured Physical Properties section and mix thoroughly. Resulting color should be uniform. Properly reseal containers. Do not inter-change lids or caps of parts A & B or curing may occur.

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    *See Terms of Use Below

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Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time Fixture-Handling Strength Time Temperature
20 to 30 min 24°C
Viscosity Test Methods
Viscosity Test Method
500,000 cPs Brookfield RVF, #7 spindle, 2 RPM at 75°F 24°C
Controlled flow
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
6 to 10 min 20.5 g. mass 24°C
6 min
Peel Strength Test Methods
Peel Strength Type Substrate Test Temperature Test Method
4 piw T-peel Strength Aluminum 24°C T-Peel bonds were measured on 1" wide specimens cut from two FPL etched 8" x 8" x 0.032", 2024 T-3 clad aluminum panels bonded together. The separation rate of the testing jaws was 20"/minute. Tests similar to ASTM D-1876.
10 piw T-peel Strength Steel 24°C T-Peel bonds were measured on two 1" wide specimens of 0.035" cold rolled steel bonded together. The steel was prepared by MEK wiping, abrading and MEK wiping. The separation rate of the testing jaws was 20"/minutes. Tests similar to ASTM D-1876.
Shear Strength Test Methods
Shear Strength Type Cure Time Cure Temperature Substrate Test Temperature Test Method
High
1,500 psi Overlap shear strength 2024 T-3 clad aluminum -55°C Overlap shear strength was measured on FPL etched 1" wide by 1/2" overlap specimens. The bonds were made from 2 panels of 4" x 7" x 0.063", 2024 T-3 clad aluminum bonded together and cut into 1" wide specimens. The separation rate of the testing jaws was 0.1"/minute. Tests similar to ASTM D-1002.
2,400 psi Overlap shear strength 2024 T-3 clad aluminum 24°C Overlap shear strength was measured on FPL etched 1" wide by 1/2" overlap specimens. The bonds were made from 2 panels of 4" x 7" x 0.063", 2024 T-3 clad aluminum bonded together and cut into 1" wide specimens. The separation rate of the testing jaws was 0.1"/minute. Tests similar to ASTM D-1002.
300 psi Overlap shear strength 2024 T-3 clad aluminum 82°C Overlap shear strength was measured on FPL etched 1" wide by 1/2" overlap specimens. The bonds were made from 2 panels of 4" x 7" x 0.063", 2024 T-3 clad aluminum bonded together and cut into 1" wide specimens. The separation rate of the testing jaws was 0.1"/minute. Tests similar to ASTM D-1002.
1,000 psi Overlap shear strength Cold rolled steel -55°C Overlap shear strength was measured on 1" wide by 1/2" overlap bonds of 0.035" cold rolled steel. The steel was prepared by MEK solvent wiping, abrading and MEK wiping. The separation rate of the testing jaws was 0.1"/minute. Tests similar to ASTM D-1002.
2,000 psi Overlap shear strength Cold rolled steel 24°C Overlap shear strength was measured on 1" wide by 1/2" overlap bonds of 0.035" cold rolled steel. The steel was prepared by MEK solvent wiping, abrading and MEK wiping. The separation rate of the testing jaws was 0.1"/minute. Tests similar to ASTM D-1002.
150 psi Overlap shear strength Cold rolled steel 82°C Overlap shear strength was measured on 1" wide by 1/2" overlap bonds of 0.035" cold rolled steel. The steel was prepared by MEK solvent wiping, abrading and MEK wiping. The separation rate of the testing jaws was 0.1"/minute. Tests similar to ASTM D-1002.
400 psi Overlap shear strength 20 min 24°C 2024 T-3 clad FPL etched aluminum The following data was developed in overlap shear on 2024 T-3 clad FPL etched aluminum curing the adhesive at 75°F (24°C) for the times specified. Test similar to ASTM D-1002.
500 psi Overlap shear strength 30 min 24°C 2024 T-3 clad FPL etched aluminum The following data was developed in overlap shear on 2024 T-3 clad FPL etched aluminum curing the adhesive at 75°F (24°C) for the times specified. Test similar to ASTM D-1002.
750 psi Overlap shear strength 60 min 24°C 2024 T-3 clad FPL etched aluminum The following data was developed in overlap shear on 2024 T-3 clad FPL etched aluminum curing the adhesive at 75°F (24°C) for the times specified. Test similar to ASTM D-1002.
900 psi Overlap shear strength 90 min 24°C 2024 T-3 clad FPL etched aluminum The following data was developed in overlap shear on 2024 T-3 clad FPL etched aluminum curing the adhesive at 75°F (24°C) for the times specified. Test similar to ASTM D-1002.
Coefficient of Thermal Expansion (CTE) Test Methods
Coefficient of Thermal Expansion (CTE) CTE Temperature (°C)
60e-6 (in./ in/°C) -50 to -10°C
234e-6 (in./ in/°C) -50 to -110°C