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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 Hard Disk Drive Assembly, Magnet Manufacturer 3M Chemistry Epoxy Cure Method 2 Parts Viscosity (cPs) 15,000 to 25,000 -
Technical Data for 3M DP4XL EG
Overview
Specifications
Cure Specs
Viscosity (cPs) 15,000 to 25,000 Test Method Fixture or Handling Strength Time (min) 1,440 Test Method Work / Pot Time (min) Long, 300 to 360 Test Method Mix Ratio 2:1 (by volume), 2.0:0.89 (by weight) Bond Strength
Peel Strength (piw) High, 5 (lbf/in), 31 (lbf/in), 26 (lbf/in), 30 (lbf/in) Test Method Shear Strength (psi) High, 5000 (lbf/in2), > 5300 (lbf/in2), > 5300 (lbf/in2), > 5300 (lbf/in2) Test Method Other Properties
Outgassing < 1000 (µg/g), <= 5 (µg/g) Test Method Business Information
Shelf Life Details Storage: Store 3M™ Scotch-Weld™ Epoxy Adhesive DP-4XL EG at 60-80°F (15-27°C) or refrigerate for maximum shelf life.;3M™ Scotch-Weld™ Epoxy Adhesive DP-4XL EG has a shelf life of 15 months in its original container. Shelf Life Temperature (°F) 60 to 80 Shelf Life (mon) 15 -
Best Practices for 3M DP4XL EG
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Comparable Materials for 3M DP4XL EG
Spec Engine® Results
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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 |
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. |
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. |
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. |