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Description for Henkel Armstrong A-4 w/ E 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.Brand Armstrong Application Type Adhesive 1 Part or 2 Part 2-Part Material Form Paste Substrate Steel Manufacturer Henkel Chemistry Epoxy Cure Method Activator Cure Temperature (°C) 20 to 25, 93 Cure Time (min) 10,080, 60 Viscosity (cPs) Paste, 500,000 Color Neutral Gray, Medium Gray Density (g/cm³) 0.059 lbs/cubic in -
Technical Data for Henkel Armstrong A-4 w/ E Activator
Overview
Specifications
Cure Specs
Cure Temperature (°C) 20 to 25, 93 Cure Time (min) 10,080, 60 Viscosity (cPs) Paste, 500,000 Test Method Work / Pot Time (min) 120 to 180 Test Method Bond Strength
General Bond Strength (psi) 4,130 Shear Strength (psi) 2,320, 2,960, 1,880, 2,750, 2,400, 2,800, 2,230, 2,180, 2,550, 2,550, 1,730, 2,460, 2,750, 2,300 Test Method Cleavage Strength (psi) 2,070 Compressive Strength (psi) 18.9 (psi) x 1000 Tensile Strength (psi) 4,070 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) 0.059 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/ E Activator
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Spec Engine® Results
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Viscosity Test Methods
Viscosity | Temperature |
---|---|
Paste | 25°C |
500,000 cPs | 25°C |
Work / Pot Time Test Methods
Work / Pot Time | Temperature |
---|---|
120 to 180 min | 25°C |
Shear Strength Test Methods
Shear Strength | Substrate | Chemical | Test Time | Test Temperature | Test Humidity |
---|---|---|---|---|---|
2,320 psi | 25°C | ||||
2,960 psi | 82°C | ||||
1,880 psi | -51°C | ||||
2,750 psi | Amonia, 28% | 604,800 sec | |||
2,400 psi | Distilled Water | 25,200 sec | |||
2,800 psi | Salt Water 10% | 604,800 sec | |||
2,230 psi | Acetone | 604,800 sec | |||
2,180 psi | Glacial Acetic Acid | 604,800 sec | |||
2,550 psi | Toluene | 604,800 sec | |||
2,550 psi | Ethylenedichloride | 604,800 sec | |||
1,730 psi | Ethyl Acetate | 604,800 sec | |||
2,460 psi | Hexane | 604,800 sec | |||
2,750 psi | 604,800 sec | 100 % | |||
2,300 psi | Steel to Steel | 604,800 sec |