Henkel Armstrong A-2 Epoxy Resin w/ A Activator

Henkel Armstrong A-2 Epoxy Resin w/ A Activator Datasheet
  • Description for Henkel Armstrong A-2 Epoxy Resin w/ A Activator

    An off-white, versatile, filled paste resin that has low coefficient of thermal expansion making it ideal for bonding porcelain, glass and ceramics. Exhibits excellent wetting properties and provides strong bonds to rigid materials. Versatility is achieved by selecting one of four recommended activators. Non-metallic oxide fillers provide excellent electrical insulation properties.

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    Brand Armstrong
    Application Type Bond
    1 Part or 2 Part 2 Part
    Material Form Paste
    Substrate Ceramics, Copper, Phenolics, Glass, Aluminium, Cast iron, Magnesium, Titanium, Nylon, ABS, Acrylics, Polycarbonate, Polyester, Steel, Wood
    Industry Electrical
    Manufacturer Henkel
    Chemistry Epoxy
    Cure Method 2 Parts
    Cure Temperature (°C) 20 to 25 Room Temperature, 74, 93
    Cure Time (min) Short, 120, 10
    Viscosity (cPs) 5,000, 5 to 15, 210,000
    Color Off White, Bronze
    Chemical Resistance Acetone, Ammonia, 28%, Distilled Water, Ethyl Acetate, Ethylenedichloride, Glacial Acetic Acid, Hexane, Salt water, Toluene
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -51
    Key Specifications Mil-Spec (United States Military Standard): MIL-A-47284
  • Technical Data for Henkel Armstrong A-2 Epoxy Resin w/ A Activator

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 2 Part
    • Material Form
      • Paste
    • Substrate
    • Industry
    • Chemistry
    • Cure Method
      • 2-Part Cure - 2 Parts
    • Color
      • Off-White - Off White
      • Yellow - Bronze
    • Key Specifications
      • Mil-Spec (United States Military Standard): A-47284 - MIL-A-47284
    • Brand
      • Armstrong
    Specifications
    Cure Specs
    Cure Temperature (°C) 20 to 25 Room Temperature, 74, 93
    Cure Time (min) Short, 120, 10
    Viscosity (cPs) 5,000, 5 to 15, 210,000 Test Method
    Work / Pot Time (min) 30
    Mix Ratio 100:4 (by weight)
    Bond Strength
    General Bond Strength (psi) 2,270 Test Method
    Cleavage Strength (psi) 1,560 Test Method
    Compressive Strength (psi) 17,900 Test Method
    Tensile Strength (psi) 2,900, 3,500, 2,500, 1,530, 1,650, 3,070, 2,530, 980, 2,850, 3,010, 2,530, 2,320, 3,370, 3,000 Test Method
    Material Resistance
    Chemical Resistance Acetone, Ammonia, 28%, Distilled Water, Ethyl Acetate, Ethylenedichloride, Glacial Acetic Acid, Hexane, Salt water, Toluene
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -51
    Moisture/Humidity Resistance Moisture/humidity resistance
    Conductivity
    Filler Non-metallic oxide
    Dielectric Strength (V/mil) Excellent
    Hardness
    Elongation (%) 2 Test Method
    Flexibility Rigid
    Other Properties
    Specific Gravity 0.950, 1.800
    Coefficient of Thermal Expansion (CTE) Low, 3.9e-5 (in./ in/°F)
    Business Information
    Shelf Life Details Store below 25°C out of sunlight and in original unopened containers.
  • Best Practices for Henkel Armstrong A-2 Epoxy Resin w/ A Activator

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  • Comparable Materials for Henkel Armstrong A-2 Epoxy Resin w/ A Activator

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Viscosity Test Methods
Viscosity Temperature
5,000 cPs 25°C
5 to 15 cPs 25°C
210,000 cPs
Tensile Strength Test Methods
Tensile Strength Substrate Chemical Test Time Test Temperature Test Humidity Test Method
2,900 psi Aluminum to Aluminum .064" - 2024-T3 20 to 25°C Room Temperature ASTM D-1002
3,500 psi Aluminum to Aluminum .064" - 2024-T3 82°C ASTM D-1002
2,500 psi Aluminum to Aluminum .064" - 2024-T3 -51°C ASTM D-1002
1,530 psi Aluminum to Aluminum .064" - 2024-T3 Ammonia, 28% 10,080 min ASTM D-1002
1,650 psi Aluminum to Aluminum .064" - 2024-T3 Distilled Water 10,080 min ASTM D-1002
3,070 psi Aluminum to Aluminum .064" - 2024-T3 Salt Water, 10% 10,080 min ASTM D-1002
2,530 psi Aluminum to Aluminum .064" - 2024-T3 Acetone (100%) 10,080 min ASTM D-1002
980 psi Aluminum to Aluminum .064" - 2024-T3 Glacial Acetic Acid 10,080 min ASTM D-1002
2,850 psi Aluminum to Aluminum .064" - 2024-T3 Toluene (100%) 10,080 min ASTM D-1002
3,010 psi Aluminum to Aluminum .064" - 2024-T3 Ethylenedichloride (100%) 10,080 min ASTM D-1002
2,530 psi Aluminum to Aluminum .064" - 2024-T3 Ethyl Acetate 10,080 min ASTM D-1002
2,320 psi Aluminum to Aluminum .064" - 2024-T3 Hexane (100%) 10,080 min ASTM D-1002
3,370 psi Aluminum to Aluminum .064" - 2024-T3 10,080 min 100 % ASTM D-1002
3,000 psi ASTM D638
Cleavage Strength Test Methods
Cleavage Strength Test Method
1,560 psi ASTM D1602
Compressive Strength Test Methods
Compressive Strength Test Method
17,900 psi ASTM D695, ULT
General Bond Strength Test Methods
General Bond Strength Test Method
2,270 psi ASTM D897
Elongation Test Methods
Elongation Test Method
2 % ASTM D638