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Description for Henkel 581
• Non Corrosive • Structural Acrylic Adhesive • Vapors are Non-Corrosive to Copper Surfaces • Room Temperature Cure • Fixtures Parts in 15 to 30 seconds • 50% Strength Obtained in 15 minutes • Excellent Adhesion to Magnet and Metal Surfaces • Environmentally Friendly – 100% Solids • No Mix Application<br/>• Non-Drip Rheology •<br/>Brand Bondmaster Chemical Resistance Salt Spray Application Type Bond 1 Part or 2 Part 2 Part Material Form Liquid Substrate Glass, Alnico, Rigid Plastics, Steel, Epoxy-Coated Metal, Ferrite, Metals, Painted Metal Industry DC motors, Motors, Electrical, Magnet, Sensors, FlyWheels, Automotive, Generators Manufacturer Henkel Chemistry Acrylic Cure Method Moisture Cure Temperature (°C) 20 to 25, 20 to 25 Cure Time (min) Rapid, 60 Viscosity (cPs) 15,000 Color Gray, Blue High Temperature Resistance (°C) 155 Low Temperature Resistance (°C) -65
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Fixture or Handling Strength Time Test Methods
| Fixture or Handling Strength Time | Fixture-Handling Strength Time Temperature |
|---|---|
| 0.25 to 0.50 min | 25°C |
Viscosity Test Methods
| Viscosity | Test Method | Temperature |
|---|---|---|
| 15,000 cPs | Viscosity, Brookfield, 25oC @ 20 rpm | 25°C |
Work / Pot Time Test Methods
| Work / Pot Time | Test Method | Temperature |
|---|---|---|
| >30 min | The open time refers to the on-part life of the adhesive. | 25°C |
Shear Strength Test Methods
| Shear Strength | Substrate | Test Method |
|---|---|---|
| High | ||
| 3,000 to 3,500 psi | Steel/Steel | ASTM D1002 |
| 2,000 psi | Ferrite / Steel | ASTM D1002, Substrate failure |
| 250 psi | Glass/Glass | ASTM D1002, Substrate failure |
Peel Strength Test Methods
| Peel Strength | Substrate | Test Method |
|---|---|---|
| 10 to 15 piw | Steel/Steel | ASTM 1876 |
Impact Strength Test Methods
| Impact Strength | Substrate | Test Method |
|---|---|---|
| High | ||
| 10 to 12 psi | Steel/Steel | ASTM 950 |
