Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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DOWSIL™ EA-4600 HM RTV Black UV is a one-component, neutral-cure silicone hot-melt adhesive designed for PCB system assembly. It provides instant green strength, excellent adhesion to various substrates, and long open time. The adhesive is UL 94 rated and operates within a temperature range of -45°C to 150°C (-50°F to 300°F).
Key Features:
| Property | Test Method | Unit | Result |
|---|---|---|---|
| Viscosity at 120°C | CTM 1134 | Pa.s | 60 |
| Nonvolatile Content | CTM 0839 | % | >98.5 |
| Open Time (Assembly Time) | CTM 0243 | Minutes | 15 |
| Pot Life at 120°C | CTM 0243 | Days | 1 |
| Lap Shear Adhesion on PC (30min/1hr/1day/3days/7days) | CTM 0243 | MPa | 0.1/0.1/0.5/1.1/1.7 |
| Durometer (Shore A) | ASTM C661 | Points | 56 |
| Tensile Strength | ASTM D412 | MPa | 4.6 |
| Elongation | ASTM D412 | % | 1000 |
| 180° Peel Strength (1 day) | – | pli | 20 |
| Specific Gravity (Uncured) | CTM 0022 | – | 1.08 |
| Appearance | CTM 0176 | – | Black |
| Service Temperature Range | ASTM C711 | °C | -45 to 150 |
| Dielectric Strength | CTM 0114 | Volts/mil (kV/mm) | 496 (20) |
| Volume Resistivity | CTM 0249 | Ohm-cm | 5.7E+14 |
| Dielectric Constant (100Hz / 100kHz / 1MHz) | CTM 0112 | – | 2.68 / 2.64 / 2.63 |
| Dissipation Factor (100Hz / 100kHz / 1MHz) | CTM 0112 | – | 0.004 / 0.002 / 0.002 |
| Thermal Conductivity | – | W/mK | 0.17 |
| Thermal Diffusivity | – | mm²/s | 0.11 |
| Specific Heat | – | MJ/m³K | 1.6 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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