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Description for Henkel Armstrong A-3 Epoxy Resin w/ E Activator
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.Note: This material has been discontinued. Please view the Comparable Materials tab or call us at (262) 293-7970 for additional help.
Brand Armstrong Chemical Resistance Acetone, Chemical Resistance: Glacial Acetic Acid, Chemical Resistance: Fluid Resistance: Distilled Water, Ammonia, 28%, Chemical Resistance: Fluid Resistance: Salt water, 10%, Hexane, Ethyl Acetate, Ethylenedichloride, Toluene Application Type Bond 1 Part or 2 Part 2-Part Material Form Paste Substrate Ceramics, Glass, Metal, Thermosetting Plastics, Rubber, Steel, Wood Manufacturer Henkel Chemistry Epoxy Cure Method 2 Parts Cure Temperature (°C) 93 Cure Time (min) 60 Viscosity (cPs) 4,900 Color Black High Temperature Resistance (°C) 82 Low Temperature Resistance (°C) -51 Volume Resistivity (O) 3.0e14 (Ohm/cm) -
Technical Data for Henkel Armstrong A-3 Epoxy Resin w/ E Activator
Overview
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Chemical Resistance
- Chemical Resistance : Fluid Resistance : Water Resistance - Distilled Water, Salt water, 10%
- Chemical Resistance - Acetone, Ammonia, 28%, Ethyl Acetate, Ethylenedichloride, Hexane, Toluene
- Chemical Resistance : Acid Resistance - Glacial Acetic Acid
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Application Type
- Adhesive - Bond
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1 Part or 2 Part
- 2-Part
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Material Form
- Paste
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Chemistry
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Cure Method
- 2-Part Cure - 2 Parts
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Color
- Black
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Brand
- Armstrong
Specifications
Cure Specs
Cure Temperature (°C) 93 Cure Time (min) 60 Viscosity (cPs) 4,900 Test Method Set Time (min) Fast initial Work / Pot Time (min) 120 to 180 Test Method Mix Ratio 100:6 (by weight) Bond Strength
General Bond Strength (psi) 4,500 Test Method Compressive Strength (psi) 13.1 (psi) x 1000 Test Method Tensile Strength (psi) 5,180, 2,250, 1,700, 1,980, 3,030, 3,130, 3,100, 2,830, 2,350, 2,780, 2,800, 2,000, 2,180, 2,390, 3,350 Test Method Material Resistance
High Temperature Resistance (°C) 82 Low Temperature Resistance (°C) -51 Moisture/Humidity Resistance Moisture/humidity resistance Conductivity
Filler Inert, High purity materials Volume Resistivity (O) 3.0e14 (Ohm/cm) Test Method Hardness
Shore D Hardness 85 Elongation (%) 2 Other Properties
Specific Gravity 1.600 Coefficient of Thermal Expansion (CTE) 4.4e-5 (in./ in/°C) Business Information
Shelf Life Details Stored 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 -
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Best Practices
Best Practices information currently not available. -
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Viscosity Test Methods
Viscosity | Temperature |
---|---|
4,900 cPs | 25°C |
Work / Pot Time Test Methods
Work / Pot Time | Temperature |
---|---|
120 to 180 min | 25°C |
Cleavage Strength Test Methods
Cleavage Strength | Cure Time | Cure Temperature |
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Compressive Strength Test Methods
Compressive Strength | Cure Time | Cure Temperature | Test Method |
---|---|---|---|
13.1 (psi) x 1000 | 60 min | 93°C | Ult. |
General Bond Strength Test Methods
General Bond Strength | Cure Time | Cure Temperature |
---|---|---|
4,500 psi | 60 min | 93°C |
Tensile Strength Test Methods
Tensile Strength | Cure Time | Cure Temperature | Substrate | Chemical | Test Time | Test Temperature | Test Humidity |
---|---|---|---|---|---|---|---|
5,180 psi | 60 min | 93°C | |||||
2,250 psi | 60 min | 93°C | 25°C | ||||
1,700 psi | 60 min | 93°C | 82°C | ||||
1,980 psi | 60 min | 93°C | -51°C | ||||
3,030 psi | 60 min | 93°C | Ammonia, 28% | 10,080 min | |||
3,130 psi | 60 min | 93°C | Distilled Water | 10,080 min | |||
3,100 psi | 60 min | 93°C | Salt Water, 10% | 10,080 min | |||
2,830 psi | 60 min | 93°C | Acetone | 10,080 min | |||
2,350 psi | 60 min | 93°C | Glacial Acetic Acid | 10,080 min | |||
2,780 psi | 60 min | 93°C | Toluene | 10,080 min | |||
2,800 psi | 60 min | 93°C | Ethylenedichloride | 10,080 min | |||
2,000 psi | 60 min | 93°C | Ethyl Acetate | 10,080 min | |||
2,180 psi | 60 min | 93°C | Hexane | 10,080 min | |||
2,390 psi | 60 min | 93°C | 43,200 min | 100 % | |||
3,350 psi | 60 min | 93°C | Steel to Steel |
Volume Resistivity Test Methods
Volume Resistivity | Temp (°C) |
---|---|
3.0e14 (Ohm/cm) | 14,653°C |

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