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 4000 is a high thermal conductivity (4.0 W/m-K), two-part, liquid gap filler designed for thermal management applications. It cures at room temperature or with heat acceleration and maintains excellent mechanical and chemical stability over a wide temperature range (-60°C to 200°C). This silicone-based material is soft, ultra-conforming, and ideal for applications where a strong structural bond is not required but effective heat dissipation is essential.
| Property | Value | Test Method |
|---|---|---|
| Viscosity (1,500/sec), Part A & B | 50,000 mPa·s (cP) | ASTM D5099 |
| Density | 3.1 g/cc | ASTM D792 |
| Working Time @ 25°C | 240 minutes | – |
| Shelf Life @ 25°C | 150 days | – |
| Cure Condition | Time |
|---|---|
| 25°C | 24 hours |
| 100°C | 30 minutes |
| Property | Value | Test Method |
|---|---|---|
| Hardness (Shore 00) | 75 | ASTM D2240 |
| Heat Capacity | 0.8 J/g-K | ASTM E1269 |
| Flammability | UL 94 V-0 | – |
| Property | Value | Test Method |
|---|---|---|
| Dielectric Strength | 450 V/mil | ASTM D149 |
| Dielectric Constant @ 1,000 Hz | 7.9 | ASTM D150 |
| Volume Resistivity | 1×10¹⁰ ohm-meter | ASTM D257 |
| Property | Value | Test Method |
|---|---|---|
| Thermal Conductivity | 4.0 W/m-K | ASTM D5470 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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