Henkel Armstrong A-12 Epoxy Resin 2:3

Henkel Armstrong A-12 Epoxy Resin 2:3 Datasheet
  • Description for Henkel Armstrong A-12 Epoxy Resin 2:3

    A general purpose adhesive, combines low toxicity with good physical properties. This two-part adhesive has a non-critical mixing ratio with 1:1 used most frequently. The mix ratio can be varied to obtain a more flexible or more rigid bond by increasing or decreasing respectively, the concentration of Part B.

    *See Terms of Use Below

    Brand Armstrong, Loctite
    Application Type Bond
    1 Part or 2 Part 2 Part
    Material Form Liquid
    Substrate Ceramic, Metal, Plastics, Wood, Al
    Manufacturer Henkel
    Chemistry Epoxy
    Cure Method 2-Part Cure
    Cure Temperature (°C) 74
    Cure Time (min) 120
    Viscosity (cPs) 80,000
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -51
  • Technical Data for Henkel Armstrong A-12 Epoxy Resin 2:3

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 2 Part
      • Part A Name - Part A
      • Part B Name - Part B
    • Material Form
      • Liquid
    • Substrate
    • Industry
    • Chemistry
    • Cure Method
      • 2-Part Cure
    • Brand
      • Armstrong
      • Loctite
    Specifications
    Cure Specs
    Cure Temperature (°C) 74 Test Method
    Cure Time (min) 120 Test Method
    Viscosity (cPs) 80,000
    Work / Pot Time (min) 120, 60 Test Method
    Mix Ratio 2:3 (by volume), 2:3 (by weight)
    Bond Strength
    General Bond Strength (psi) 1,800 Test Method
    Shear Strength (psi) 4,000, 500, 3,000 Test Method
    Tensile Strength (psi) 2,900 Test Method
    Material Resistance
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -51
    Hardness
    Shore D Hardness 77
    Elongation (%) <30
    Flexibility Flexible, rigid
    Other Properties
    Specific Gravity 1.330 Test Method
    Coefficient of Thermal Expansion (CTE) 4.0e-5 (in./ in/°F)
    Business Information
    Shelf Life Details Shelf life is one year when stored below 90°F out of sunlight and in original unopened containers of pints or greater. Shelf life will vary with specialty packages.
    Shelf Life Temperature (°F) <90
    Shelf Life (mon) 12
  • Best Practices for Henkel Armstrong A-12 Epoxy Resin 2:3

    *See Terms of Use Below

    1. Surface Preparation

      The surfaces to be bonded should be clean and dry (for critical applications refer to our suggested surface preparation procedures - Bulletin No. 964)

    2. Application

      Apply the adhesive to surfaces to be bonded (preferably both surfaces) and press together. Light clamping may be used to keep parts in position during curing.

    3. Mixing

      Thoroughly mix the A-12 Part B with the A-12 part A in a clean discardable container using correct mix ratio. Avoid the introduction of excess air.

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    *See Terms of Use Below

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
74°C Optimum cure
Cure Time Test Methods
Cure Time Test Method
120 min Optimum cure
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
120 min 100 gms @77°F 25°C
60 min 1# @ 77°F 25°C
Shear Strength Test Methods
Shear Strength Type Cure Time Cure Temperature Substrate Test Temperature
4,000 psi Tensile Shear Strength 120 min 74°C al/al 25°C
500 psi Tensile Shear Strength 120 min 74°C al/al 82°C
3,000 psi Tensile Shear Strength 120 min 74°C al/al -51°C
Tensile Strength Test Methods
Tensile Strength Type Cure Time Cure Temperature Substrate
2,900 psi 120 min 74°C
Cleavage Strength Test Methods
Cleavage Strength Cure Time Cure Temperature
General Bond Strength Test Methods
General Bond Strength Cure Time Cure Temperature
1,800 psi 120 min 165°C
Specific Gravity Test Methods
Specific Gravity Temperature
1.330 25°C