Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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DOWSIL™ 3-6548 RTV Silicone Foam is a two-part, room-temperature vulcanizing (RTV) silicone foam that expands upon curing to form a soft, low-density, and resilient foam. It provides excellent sealing, cushioning, and insulation properties while offering resistance to environmental factors such as moisture, chemicals, and extreme temperatures. This material is commonly used in applications requiring lightweight, flexible, and durable protection.
| Property | Part A | Part B | Test Method |
|---|---|---|---|
| Appearance | White paste | Dark gray paste | Visual |
| Viscosity (cP) | 25,000 – 45,000 | 3,000 – 7,000 | ASTM D2196 |
| Mix Ratio (by weight) | 1.0 | 1.0 | – |
| Mix Ratio (by volume) | 1.0 | 1.0 | – |
| Work Life (minutes) | 5 – 15 | – |
| Property | Value | Test Method |
|---|---|---|
| Expansion Ratio | 2x – 4x | – |
| Density (g/cm³) | 0.2 – 0.4 | ASTM D3574 |
| Hardness (Shore 00) | 20 – 40 | ASTM D2240 |
| Tack-Free Time (minutes) | 10 – 30 | – |
| Full Cure Time (hours) | 24 | – |
| Operating Temperature Range (°C) | -55 to 200 | – |
| Flame Resistance | UL 94 V-0 | UL 94 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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