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

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  • Description for Henkel Armstrong A-4 w/ A 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
    Chemical Resistance Ammonia, Chemical Resistance: Glacial Acetic Acid, Chemical Resistance: Fluid Resistance: Distilled Water resistance, Ethyl Acetate, Chemical Resistance: Fluid Resistance: Salt Water resistance, Ethylenedichloride, Acetone, Hexane, Toluene
    Application Type Bond
    1 Part or 2 Part 2-Part
    Material Form Liquid
    Substrate metallic Aluminum, Steel
    Manufacturer Henkel
    Chemistry Epoxy
    Cure Method Resin/Activator
    Cure Temperature (°C) 20 to 25, 74
    Cure Time (min) 10,080, 120
    Viscosity (cPs) Paste, 8500 (poise)
    Color Neutral Gray, Medium Gray
    Density (g/cm³) 0.060 lbs/cubic in

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

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    Overview
    • Chemical Resistance
      • Chemical Resistance : Fluid Resistance : Water Resistance - Distilled Water resistance, Salt Water resistance
      • Chemical Resistance - Ammonia, Acetone, Toluene, Ethylenedichloride, Ethyl Acetate, Hexane
      • Chemical Resistance : Acid Resistance - Glacial Acetic Acid
    • Application Type
    • 1 Part or 2 Part
      • 2-Part
    • Material Form
      • Liquid
    • Substrate
    • Chemistry
    • Cure Method
      • 2-Part Cure - Resin/Activator
    • Color
      • Gray - Neutral Gray, Medium Gray
    • Brand
      • Armstrong
    Specifications
    Cure Specs
    Cure Temperature (°C) 20 to 25, 74
    Cure Time (min) 10,080, 120
    Viscosity (cPs) Paste, 8500 (poise) Test Method
    Work / Pot Time (min) 30 Test Method
    Bond Strength
    General Bond Strength (psi) 1,120, 1,710
    Shear Strength (psi) 1,370, 1,230, 780, 1,650, 1,430, 1,580, 1,550, 1,690, 1,550, 1,330, 1,230, 1,290, 1,560, 2,050, 3,860, 1,580, 1,870, 1,650, 1,670, 1,590, 1,810, 1,710, 1,460, 1,830, 2,010, 1,820, 1,800 Test Method
    Cleavage Strength (psi) 1,370
    Compressive Strength (psi) 10.5 (psi) x 1000, 11.8 (psi) x 1000
    Tensile Strength (psi) 2,620, 4,460
    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) 0.060 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/ A Activator

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

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    Spec Engine® Results

    • Resinlab
      EP1306(Resinlab)

      A two part component is acrylic/epoxy hybrid adhesive. It has good wetting and adhesion to most surfaces and is free flowing to penetrate voids and give good air release, good resistance to water, acids and bases and most organic solvents and gray color.

    • Hardman
      Machineable Yellow Package #04002(Hardman)

      A machinable tooling and body patch that adheres to metal, wood and hard plastics. Can be machined, sanded, drilled and tapped.

    • Henkel
      Armstrong A-1 Epoxy Resin w/ A Activator(Henkel)

      Adhesive formulated from specification controlled epoxy resins and inert, high purity filler materials. Contain ingredients that impart low, surface free energy characteristics, giving it excellent wettability to adherents that are traditionally hard to bond.

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Viscosity Test Methods
Viscosity Temperature
Paste 25°C
8500 (poise) 25°C
Work / Pot Time Test Methods
Work / Pot Time Temperature
30 min 25°C
Shear Strength Test Methods
Shear Strength Substrate Chemical Test Time Test Temperature Test Humidity
1,370 psi 25°C
1,230 psi 82°C
780 psi -51°C
1,650 psi Amonia, 28% 604,800 sec
1,430 psi Distilled Water 604,800 sec
1,580 psi Salt Water 10% 604,800 sec
1,550 psi Acetone 604,800 sec
1,690 psi Glacial Acetic Acid 604,800 sec
1,550 psi Toluene 604,800 sec
1,330 psi Ethylenedichloride 604,800 sec
1,230 psi Ethyl Acetate 604,800 sec
1,290 psi Hexane 604,800 sec
1,560 psi 604,800 sec 25°C 100 %
2,050 psi 82°C
3,860 psi -51°C
1,580 psi Amonia, 28% 604,800 sec
1,870 psi Distilled Water 604,800 sec
1,650 psi Salt Water 10% 604,800 sec
1,670 psi Acetone 604,800 sec
1,590 psi Glacial Acetic Acid 604,800 sec
1,810 psi Toluene 604,800 sec
1,710 psi Ethylenedichloride 604,800 sec
1,460 psi Ethyl Acetate 604,800 sec
1,830 psi Hexane 604,800 sec
2,010 psi 604,800 sec 100 %
1,820 psi 604,800 sec
1,800 psi Steel to Steel