Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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• Item Name: 3M™ Scotch-Weld™ Epoxy Adhesives DP460 Off-White and DP460NS
• Manufacturer: 3M
• Technologies: Two-part epoxy adhesive (epoxy resin + amine hardener)
• Color: Base – White, Accelerator – Amber
• Cure Type: Room temperature / Oven cure
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 24 months
3M™ Scotch-Weld™ DP460 Off-White and DP460NS are two-part epoxy adhesives designed for high performance structural bonding. They provide excellent shear and peel strength, long work life, and durability under environmental stress. DP460NS is a non-sag version, making it suitable for vertical or overhead applications.
Key Features:
High shear and peel strength
60-minute work life at 23 °C
Excellent durability and environmental resistance
Easy mixing and application with 3M EPX system
DP460NS: thixotropic, non-sag consistency
Structural bonding of metals, plastics, composites, rubbers, and wood
Aerospace, automotive, industrial, and electronics assembly
Applications requiring long work time, strong environmental resistance, and reliable durability
Vertical or gap-filling bonds (DP460NS)
| Property | DP460 Off-White | DP460NS |
|---|---|---|
| Adhesive Type | 2-Part Epoxy (epoxy + amine) | 2-Part Epoxy (epoxy + amine) |
| Color (Base/Accelerator) | White / Amber | White / Amber |
| Viscosity (Base, 23°C) | 20,000–50,000 cps | 150,000–275,000 cps |
| Viscosity (Accelerator) | 8,000–14,000 cps | 8,000–14,000 cps |
| Mix Ratio (Volume) | 2:1 | 2:1 |
| Work Life (23°C) | 60–90 min (depending on mass) | 60 min |
| Density (Base/Acc.) | 9.3–9.7 / 8.8–9.2 lbs/gal | 9.3–9.7 / 8.8–9.2 lbs/gal |
| Property | DP460 Off-White | DP460NS |
|---|---|---|
| Color | Off-white | Off-white |
| Shore D Hardness | 75–80 | 78–84 |
| Glass Transition Temp (Tg) (approx.) | ~50–60 °C (from TDS trends) | ~55–60 °C |
| Thermal Conductivity @ 45 °C | 0.104 BTU-ft/ft²-hr-°F | 0.104 BTU-ft/ft²-hr-°F |
| Dielectric Strength | 1100 volts/mil | 727 volts/mil |
| Volume Resistivity | 2.4 × 10¹⁴ ohm-cm | 3.25 × 10¹⁵ ohm-cm |
| Substrate | DP460 Off-White (PSI) | DP460NS (PSI) |
|---|---|---|
| Aluminum (etched) | 4500 | 4650 |
| Cold Rolled Steel (MEK prep) | 2800 | 3600 |
| Copper | 4000 | 4400 |
| Brass | — | 3400 |
| Stainless Steel | 4000 | 2400 |
| Galvanized Steel (hot dip) | 2000 | 2480 |
| Environment Condition | DP460 Off-White (PSI) | DP460NS (PSI) |
|---|---|---|
| 30 days, 50% RH | 5200 | 5460 |
| 30 days, distilled water immersion | 5100 | 4550 |
| 30 days, water vapor 49°C/100% RH | 4500 | 3920 |
| 14 days, water vapor 93°C/100% RH | 3100 | 3370 |
| 30 days, antifreeze/H₂O (50/50) at 82°C | 5000 | 4400 |
| 30 days, isopropyl alcohol immersion | 5700 | 5320 |
| 30 days, MEK immersion | 4200 | 4000 |
| 30 days, salt spray (5% NaCl, 35°C) | 5100 | 5200 |
| 30 days, Skydrol LD-4 at 66°C | 3700 | 5250 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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