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Description for 3M DP4XL EG
High performance, two-part, toughened epoxy adhesive offering outstanding shear and peel adhesion, and very high levels of durability similar to 3M™ Scotch-Weld™ Epoxy Adhesive DP-460.Application Type Bond 1 Part or 2 Part 2 Part Material Form Liquid Substrate Etched Aluminum Industry Magnet, Hard Disk Drive Assembly Manufacturer 3M Chemistry Epoxy Cure Method 2 Parts Viscosity (cPs) 15,000 to 25,000
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Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time | Fixture-Handling Strength Time Temperature |
---|---|
1,440 min | 25°C |
Viscosity Test Methods
Viscosity | Temperature |
---|---|
15,000 to 25,000 cPs | 23°C |
Work / Pot Time Test Methods
Work / Pot Time | Temperature |
---|---|
Long | |
300 to 360 min | 23°C |
Peel Strength Test Methods
Peel Strength | Type | Cure Time | Cure Temperature | Substrate | Test Method |
---|---|---|---|---|---|
High | |||||
5 (lbf/in) | T-Peel Strength | 40,320 min | 23°C | etched aluminum | ASTM D1876-61T, 0.032 inch thick, etched aluminum pulled at 20 inches/minute. |
31 (lbf/in) | T-Peel Strength | 240 min | 71°C | etched aluminum | ASTM D1876-61T, 0.032 inch thick, etched aluminum pulled at 20 inches/minute., Adhesive failure mode is observed under these conditions, heating for shorter times will give cohesive failure and higher values. |
26 (lbf/in) | T-Peel Strength | 120 min | 93°C | etched aluminum | ASTM D1876-61T, 0.032 inch thick, etched aluminum pulled at 20 inches/minute., Adhesive failure mode is observed under these conditions, heating for shorter times will give cohesive failure and higher values. |
30 (lbf/in) | T-Peel Strength | 30 min | 121°C | etched aluminum | ASTM D1876-61T, 0.032 inch thick, etched aluminum pulled at 20 inches/minute., Adhesive failure mode is observed under these conditions, heating for shorter times will give cohesive failure and higher values. |
Shear Strength Test Methods
Shear Strength | Type | Cure Time | Cure Temperature | Substrate | Test Method |
---|---|---|---|---|---|
High | |||||
5000 (lbf/in2) | Overlap shear strength | 40,320 min | 23°C | etched aluminum | ASTM D-1002-72, 0.060 inch thick, etched aluminum pulled at 0.1 inches/minute. |
> 5300 (lbf/in2) | Overlap Shear Strength | 240 min | 71°C | etched aluminum | ASTM D-1002-72, 0.060 inch thick, etched aluminum pulled at 0.1 inches/minute. |
> 5300 (lbf/in2) | Overlap Shear Strength | 120 min | 93°C | etched aluminum | ASTM D-1002-72, 0.060 inch thick, etched aluminum pulled at 0.1 inches/minute. |
> 5300 (lbf/in2) | Overlap Shear Strength | 30 min | 121°C | etched aluminum | ASTM D-1002-72, 0.060 inch thick, etched aluminum pulled at 0.1 inches/minute. |
Outgassing Test Methods
Outgassing | Temperature (°C) | Test Method |
---|---|---|
< 1000 (µg/g) | 85°C | via GC/MS, 85°C for 3 hours |
<= 5 (µg/g) | 85°C | Siloxane, via GC/MS, 85°C for 3 hours. |