Henkel Armstrong A-4 w/ E Activator Datasheet Henkel Armstrong A-4 w/ E Activator

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  • Description for Henkel Armstrong A-4 w/ E Activator

    Formulated from epoxy resins and unique, inert filler materials. It has a neutral gray color that lends itself to applications requiring a non-contrasting glue line.

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    Brand Armstrong
    Application Type Adhesive
    1 Part or 2 Part 2-Part
    Material Form Paste
    Substrate Steel
    Manufacturer Henkel
    Chemistry Epoxy
    Cure Method Activator
    Cure Temperature (°C) 20 to 25, 93
    Cure Time (min) 10,080, 60
    Viscosity (cPs) Paste, 500,000
    Color Neutral Gray, Medium Gray
    Density (g/cm³) 0.059 lbs/cubic in

  • Technical Data for Henkel Armstrong A-4 w/ E Activator

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    Overview
    • Application Type
    • 1 Part or 2 Part
      • 2-Part
    • Material Form
      • Paste
    • Substrate
    • Chemistry
    • Cure Method
      • 2-Part Cure - Activator
    • Color
      • Gray - Neutral Gray, Medium Gray
    • Brand
      • Armstrong
    Specifications
    Cure Specs
    Cure Temperature (°C) 20 to 25, 93
    Cure Time (min) 10,080, 60
    Viscosity (cPs) Paste, 500,000 Test Method
    Work / Pot Time (min) 120 to 180 Test Method
    Bond Strength
    General Bond Strength (psi) 4,130
    Shear Strength (psi) 2,320, 2,960, 1,880, 2,750, 2,400, 2,800, 2,230, 2,180, 2,550, 2,550, 1,730, 2,460, 2,750, 2,300 Test Method
    Cleavage Strength (psi) 2,070
    Compressive Strength (psi) 18.9 (psi) x 1000
    Tensile Strength (psi) 4,070
    Conductivity
    Filler Unique, inert filler materials
    Hardness
    Elongation (%) 3, 2
    Other Properties
    Specific Gravity 1.680
    Coefficient of Thermal Expansion (CTE) 3.9 x 10(-5) (in/in°C)
    Density (g/cm³) 0.059 lbs/cubic in
    Business Information
    Shelf Life Details Store below 25°C out of sunlight and in original unopened containers. Refer to packaging specific quote for shelf life information.
    Shelf Life Temperature (°F) <77

  • Best Practices for Henkel Armstrong A-4 w/ E Activator

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  • Comparable Materials for Henkel Armstrong A-4 w/ E Activator

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    Spec Engine® Results

    • Resinlab
      Armstrong A-661(Resinlab)

      A two-part, smooth, brushable, non-sag, room temperature curing adhesive that produces bonds with excellent shear strength. Easy to apply paste that cures to handling strength overnight at room temperature.

    • Henkel
      9460PB Hysol(Henkel)

      A high strength, durable two-part epoxy adhesive specially developed for the fabricating offset printing blankets.

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Viscosity Test Methods
Viscosity Temperature
Paste 25°C
500,000 cPs 25°C
Work / Pot Time Test Methods
Work / Pot Time Temperature
120 to 180 min 25°C
Shear Strength Test Methods
Shear Strength Substrate Chemical Test Time Test Temperature Test Humidity
2,320 psi 25°C
2,960 psi 82°C
1,880 psi -51°C
2,750 psi Amonia, 28% 604,800 sec
2,400 psi Distilled Water 25,200 sec
2,800 psi Salt Water 10% 604,800 sec
2,230 psi Acetone 604,800 sec
2,180 psi Glacial Acetic Acid 604,800 sec
2,550 psi Toluene 604,800 sec
2,550 psi Ethylenedichloride 604,800 sec
1,730 psi Ethyl Acetate 604,800 sec
2,460 psi Hexane 604,800 sec
2,750 psi 604,800 sec 100 %
2,300 psi Steel to Steel 604,800 sec