Henkel Armstrong A-42 Datasheet Henkel Armstrong A-42

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  • Description for Henkel Armstrong A-42

    Two components Part A and Part B which are mixed together prior to use. Part A consists of an epoxy resin and inert fillers. Part B consists of a polyamide amide.

    *See Terms of Use Below

    Brand Armstrong
    Application Type Bond
    1 Part or 2 Part 2 Part
    Material Form Liquid
    Substrate Al
    Manufacturer Henkel
    Chemistry Epoxy
    Application Method Trowel, metal spatula
    Cure Method Resin/hardener
    Cure Temperature (°C) 25 Room Temperature, 100
    Cure Time (min) 10,080, 120
    Viscosity (cPs) 280,000
  • Technical Data for Henkel Armstrong A-42

    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 2 Part
    • Material Form
      • Liquid
    • Substrate
    • Chemistry
    • Application Method
      • Dispenser - mechanical applicator, any clean tool, wooden coffee-stirrer or equivalent
      • Spray
      • Spatula/Trowel - metal spatula, Trowel
    • Cure Method
      • 2-Part Cure - Resin/hardener
    • Brand
      • Armstrong
    Cure Specs
    Application Temperature (°F) 70 to 90
    Cure Temperature (°C) 25 Room Temperature, 100
    Cure Time (min) 10,080, 120
    Viscosity (cPs) 280,000
    Fixture or Handling Strength Time (min) Overnight Test Method
    Work / Pot Time (min) 90 Test Method
    Bond Strength
    Shear Strength (psi) >2,500, >1,500 Test Method
    Business Information
    Shelf Life Details Storage: Store below 25°C out of sunlight and in original unopened containers. Refer to packaging specific quote for shlef life information.
    Shelf Life Temperature (°F) <77
  • Best Practices for Henkel Armstrong A-42

    *See Terms of Use Below

    1. Surface Preparation

      Surface to be bonded should be clean and dry.

    2. Application

      The material should be spread thinly and evenly. Glue lines as thick as .101" will provide good strength but the general rule is--- the thinner the better. The important thing is that the surfaces being bonded are thoroughly "welted out" with the resin system. Once applied, the joints being bonded should be assembled immediately, under no circumstances would this open assembly times exceed 30 minutes. No pressure is required other than that necessary to hold to assembly in position until the resin cures.

    3. Mixing

      The Part A and Part B must be thoroughly mixed before the system is ready for use.

    4. Curing

      Lower and higher temperatures can be employed but the working life will be reduced as the temperature is increased and the working life will be extended as the temperature decreases. At lower temperatures, the material is quiet vouches and not as easy to mix.

    5. Curing

      Either mixture may be cured for 24 hours @ 77°F. Curing can be accelerated by heating for 1 - 2 hours at 165°F.

    6. Clean-Up

      Then uncured material may be removed from mixing utensils etc. with solvent such as Methyl Ethyl ketone (MEK) and/or Cellosolve or equivalent.

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Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time Fixture-Handling Strength Time Temperature
Overnight 25°C
Work / Pot Time Test Methods
Work / Pot Time Temperature
90 min 25°C
Shear Strength Test Methods
Shear Strength Type Cure Time Cure Temperature Substrate
>2,500 psi Tensile shear strength 120 min 100°C Al/Al
>1,500 psi Tensile shear strength 10,080 min 25°C Al/Al