3M Scotch-Weld Urethane Adhesive EC-3532 B/A Datasheet 3M Scotch-Weld Urethane Adhesive EC-3532 B/A

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  • Description for 3M Scotch-Weld Urethane Adhesive EC-3532 B/A

    It is a two-component, polyurethane adhesive which cures at room temperature or with heat to form tough, impact-resistant structural bonds, excellent adhesion to many primed or painted metal and plastic substrates.

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    Brand Scotch-weld
    Chemical Resistance Salt spray, Chemical Resistance: Fluid Resistance: Water
    Application Type Bond
    1 Part or 2 Part 2-Part
    Material Form Liquid
    Substrate Aluminum, FRP, PlexiGlass, Many Painted metal, Nylon, Lexan, Rigid PVC, Rubber, Cold rolled Steel, Wood, Polystyrene, ABS, Abraded Aluminum, Metal, Plastic, Polycarbonate, Primed Steel, Etched Aluminum, Many Primed Metal, Steel, Solvent Wiped Aluminum, Abraded Steel , Solvent Wiped Steel, Primed steel
    Manufacturer 3M
    Chemistry Polyurethane, Urethane
    Application Method Trowel, Spatula
    Cure Method 2-Part Cure, Heat cure, Room Temperature cure
    Cure Temperature (°C) 20 to 25 Room Temperature, 24
    Cure Time (min) 1,440, Fast
    Viscosity (cPs) 30,000, Non-sag
    Color Brown (cured)
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -40
    Durability Tough

  • Technical Data for 3M Scotch-Weld Urethane Adhesive EC-3532 B/A

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    Overview
    • Chemical Resistance
      • Chemical Resistance : Fluid Resistance : Water Resistance - Water
      • Chemical Resistance - Salt spray
    • Application Type
    • 1 Part or 2 Part
      • 2-Part
    • Material Form
      • Liquid
    • Substrate
    • Industry
    • Chemistry
    • Application Method
      • Flow - Flow equipment
      • Spatula/Trowel - Spatula, Trowel
    • Cure Method
      • Room Temperature / Air Dry - Room Temperature cure
      • Heat - Heat cure
      • 2-Part Cure
    • Color
      • Brown - Brown (cured)
    • Brand
      • Scotch-weld
    Specifications
    Cure Specs
    Cure Temperature (°C) 20 to 25 Room Temperature, 24 Test Method
    Cure Time (min) 1,440, Fast Test Method
    Viscosity (cPs) 30,000, Non-sag Test Method
    Fixture or Handling Strength Time (min) 20 to 30
    Work / Pot Time (min) 5.00 to 15 Test Method
    Mix Ratio 1:1 (by volume), 100:109 (by weight)
    Bond Strength
    General Bond Strength (psi) Excellent
    Shear Strength (psi) 2,500, 2,200, 300, 700 Test Method
    Material Resistance
    High Temperature Resistance (°C) 82
    Impact Resistance Impact-resistant
    Low Temperature Resistance (°C) -40
    Moisture/Humidity Resistance Humidity Resistance
    Hardness
    Durability Tough
    Elongation (%) 96
    Flexibility Semi-rigid, Flexible
    Business Information
    Shelf Life Details This product has a shelf life of one year from date of shipment when unopened and properly stored. Store product at 60-80°F (16-27°C) for maximum storage life. Higher temperatures reduce normal storage life. Lower temperatures cause increased viscosity of a temporary nature. Rotate stock on a “first in-first out” basis.
    Shelf Life Temperature (°F) 60 to 80
    Shelf Life Type From date of shipment
    Shelf Life (mon) 12

  • Best Practices for 3M Scotch-Weld Urethane Adhesive EC-3532 B/A

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    1. Surface Preparation

      Surfaces to be bonded must be dry and free from rust, oil, grease and wax. Surfaces can be cleaned with an abrasive such as 3MTM Coated Abrasives (240 grit) followed by wiping with a solvent such as MEK (methyl ethyl ketone), MIBK (methyl isobutyl ketone) or Acetone.

  • Comparable Materials for 3M Scotch-Weld Urethane Adhesive EC-3532 B/A

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
20 to 25°C Room Temperature
24°C Full Cure
Cure Time Test Methods
Cure Time Test Method
1,440 min Full Cure
Fast
Viscosity Test Methods
Viscosity Test Method Temperature
30,000 cPs 24°C
Non-sag
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
5.00 to 15 min 100 grams mixed 24°C
Shear Strength Test Methods
Shear Strength Type Substrate Test Temperature Test Method
2,500 psi Overlap shear strength Etched Aluminum -40°C Test specimens were 1/2-inch overlap, 1-inch wide with .005-inch thick bondlines pulled at a testing rate of .1-inch/min
2,200 psi Overlap shear strength Etched Aluminum 82°C Test specimens were 1/2-inch overlap, 1-inch wide with .005-inch thick bondlines pulled at a testing rate of .1-inch/min
300 psi Overlap shear strength Etched Aluminum 24°C Test specimens were 1/2-inch overlap, 1-inch wide with .005-inch thick bondlines pulled at a testing rate of .1-inch/min
700 psi Overlap shear strength Polycarbonate 24°C Test specimens were 1/2-inch overlap, 1-inch wide with .005-inch thick bondlines pulled at a testing rate of .1-inch/min