Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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BERGQUIST GAP FILLER TGF 4500CVO is a two-component, thermally conductive, liquid gap-filling material with controlled volatile silicones. It is designed for high dispensing throughput and offers flexibility in curing at room temperature or with heat. Once cured, it forms a soft, thermally conductive elastomer that minimizes stress on components.
Key Benefits:
Curing Options:
Operating Temperature: -60 to 200°C
| Property | Part A | Part B | Mixed |
|---|---|---|---|
| Appearance | White | Pink | Pink |
| Viscosity (mPa·s) @ 1.0 s⁻¹ | 522,000 | 361,000 | — |
| Viscosity (mPa·s) @ 1,500 s⁻¹ | 20,000 | 11,000 | — |
| Density (g/cc) | — | — | 3.2 |
| Work Life | — | — | 21 hours (25°C), 60 min (50°C), 3 min (85°C) |
| Property | Value |
|---|---|
| Hardness (Shore 00) | 70 |
| Heat Capacity (J/g-K) | 0.8 |
| Siloxane Content (ΣD4-D10, ppm) | <300 |
| Flammability (UL 94) | V-0 |
| Property | Value |
|---|---|
| Volume Resistivity (Ω·m) | 1×10¹¹ |
| Dielectric Strength (V/mm) | 10,000 |
| Dielectric Constant @ 1kHz | 8.1 |
| Property | Value |
|---|---|
| Thermal Conductivity (W/m·K) | 4.5 |
| Thermal Impedance @ 40 mil (°C-in²/W) | 10% Deflection: 0.45 20% Deflection: 0.38 30% Deflection: 0.32 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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