Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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• Item Name: CoolTherm® SC-305
• Manufacturer: LORD Corporation (a Parker Hannifin brand)
• Technologies: Two-component silicone, addition-curing polymer
• Color: Resin – White liquid; Hardener – Dark gray liquid; Mixed – Gray liquid
• Cure Type: Room temperature cure (24h at 25°C) or accelerated cure (30 min at 60°C / 10 min at 100°C)
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 9 months
LORD CoolTherm® SC-305 is a two-component thermally conductive silicone encapsulant developed for electronic applications requiring efficient heat dissipation. It combines ease of processing (low viscosity, fast gel times, multiple cure options) with strong environmental resistance and electrical insulation. SC-305 is UL 94 V-0 flame-rated, exhibits low stress during curing, and provides good durability under thermal cycling.
Potting and encapsulating heat-generating electronic devices.
Medium thermal conductivity applications where cost-effective thermal management is required.
High-volume encapsulation using automatic meter/mix/dispense equipment.
Protective encapsulation in environments demanding thermal shock resistance and flame retardancy.
| Property | SC-305 Resin | SC-305 Hardener | Mixed |
|---|---|---|---|
| Appearance | White Liquid | Dark Gray Liquid | Gray Liquid |
| Viscosity, cP @ 25°C | 3500 | 4000 | 4000 |
| Specific Gravity | 1.50 | 1.50 | 1.50 |
| Gel Time @ 60°C | – | – | 10 min |
| Working Life @ 25°C | – | – | 60 min |
| Property | Value | Method |
|---|---|---|
| Thermal Conductivity | 0.7 W/m·K | Laser Nano Flash |
| Coefficient of Linear Thermal Expansion | 200 ppm/°C | – |
| Glass Transition Temperature (Tg) | > -100 °C | – |
| Hardness | 60 Shore A | ASTM D 2240 |
| Tensile Strength | 1.48 MPa (215 psi) | ASTM D 412 |
| Elongation at Break | 50% | ASTM D 412 |
| Moisture Absorption | <0.5% | – |
| Volume Resistivity | 3.3 × 10¹⁴ ohm·cm | ASTM D 257 |
| Dielectric Strength | 19.7 kV/mm (500 V/mil) | ASTM D 149 |
| Dielectric Constant @ 1 MHz | 3.2 | ASTM D 150 |
| Dissipation Factor @ 1 MHz | 0.008 | ASTM D 150 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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Techniq Vietnam provides end-to-end materials and process solutions, integrating world-class technologies in adhesives, soldering, and thermal management.
Through partnerships with leading global brands, we deliver high-value materials, expert consulting, and optimized supply chains ensuring timely delivery, efficiency, and sustainable growth for our clients.
At Techniq, our mission is to connect cutting-edge materials, processes, and equipment with customer needs, enabling efficiency, reliability, and long-term value creation.
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Website: techniq.vn
Email: info@techniq.vn
Tel: +84 88 990 19 29
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