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Description for Henkel Armstrong A-2 Epoxy Resin w/ H20 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.Brand Armstrong Chemical Resistance Acetone, Chemical Resistance: Glacial Acetic Acid, Chemical Resistance: Fluid Resistance: Distilled Water, Ammonia, 28%, Ethyl Acetate, Chemical Resistance: Fluid Resistance: Salt water, Ethylenedichloride, Toluene, Hexane Application Type Bond 1 Part or 2 Part 2-Part Material Form Paste Substrate Acrylics, Aluminium, Ceramics, Copper, Glass, Nylon, Polycarbonate, Polyester, Steel, Wood, Cast iron, Titanium, Magnesium, Phenolics, ABS Industry Electrical Manufacturer Henkel Chemistry Epoxy Cure Method 2 Parts Cure Temperature (°C) 74, 93 Cure Time (min) 30, 10 Viscosity (cPs) 5,000, 10 to 25, 15,000 Color Off White, Bronze High Temperature Resistance (°C) 82 Low Temperature Resistance (°C) -51 -
Technical Data for Henkel Armstrong A-2 Epoxy Resin w/ H20 Activator
Overview
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Chemical Resistance
- Chemical Resistance : Fluid Resistance : Water Resistance - Distilled Water, Salt water
- 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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Industry
- Electronics - Electrical
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Chemistry
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Cure Method
- 2-Part Cure - 2 Parts
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Color
- Off-White - Off White
- Yellow - Bronze
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Brand
- Armstrong
Specifications
Cure Specs
Cure Temperature (°C) 74, 93 Cure Time (min) 30, 10 Viscosity (cPs) 5,000, 10 to 25, 15,000 Test Method Work / Pot Time (min) Long, 45 to 90 Mix Ratio 100:10 (by weight) Bond Strength
General Bond Strength (psi) 3,500 Test Method Cleavage Strength (psi) 1,600 Test Method Tensile Strength (psi) 3,800, 900, 2,700, 3,800 Test Method Material Resistance
High Temperature Resistance (°C) 82 Low Temperature Resistance (°C) -51 Conductivity
Filler Non-metallic oxide Dielectric Strength (V/mil) Excellent Hardness
Elongation (%) 4 Test Method Flexibility Rigid Other Properties
Specific Gravity 1.670, 1.800, 1.010 Coefficient of Thermal Expansion (CTE) Low, 2.2e-5 (in./ in/°F) Business Information
Shelf Life Details Store below 25°C out of sunlight and in original unopened containers. -
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Best Practices for Henkel Armstrong A-2 Epoxy Resin w/ H20 Activator
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Comparable Materials for Henkel Armstrong A-2 Epoxy Resin w/ H20 Activator
Spec Engine® Results
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Viscosity Test Methods
Viscosity | Temperature |
---|---|
5,000 cPs | 25°C |
10 to 25 cPs | 25°C |
15,000 cPs |
Cleavage Strength Test Methods
Cleavage Strength | Test Method |
---|---|
1,600 psi | ASTM D1602 |
General Bond Strength Test Methods
General Bond Strength | Test Method |
---|---|
3,500 psi | ASTM D897 |
Tensile Strength Test Methods
Tensile Strength | Substrate | Test Temperature | Test Method |
---|---|---|---|
3,800 psi | Aluminum to Aluminum .064" - 2024-T3 | 20 to 25°C Room Temperature | ASTM D-1002 |
900 psi | Aluminum to Aluminum .064" - 2024-T3 | 82°C | ASTM D-1002 |
2,700 psi | Aluminum to Aluminum .064" - 2024-T3 | -51°C | ASTM D-1002 |
3,800 psi | ASTM D638 |
Elongation Test Methods
Elongation | Test Method |
---|---|
4 % | ASTM D638 |

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