Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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Item Name: DOWSIL™ 1-2620 Low VOC Conformal Coating
Manufacturer: Dow
Technologies: One-part silicone resin solution
Color: Translucent (Clear)
Cure Type: Room temperature cure, moisture-activated (optional mild heat acceleration)
Package Size: Contact to Techniq VN for details.
Shelf Life: Contact to Techniq VN for details.
DOWSIL™ 1-2620 Low VOC is a one-part, solvent-borne silicone resin conformal coating with low viscosity and reduced VOC content. It cures at room temperature, forming a firm, tough, elastoplastic film that is abrasion-resistant, resilient, and provides reliable circuit protection. With optional mild heat acceleration, it supports in-line processing. The cured coating is transparent, UV-inspectable, UL 94 V-0 flame-rated, and fully compliant with IPC-CC-830, UL-746E, and MIL-I-46058C standards, making it ideal for high-reliability electronics.
Protective conformal coating for rigid and flexible PCB assemblies.
Electronics requiring abrasion resistance and toughness.
Systems using low-solids or no-lead solders.
Spray, dip, brush, flow, or automated pattern coating methods.
Applications where low VOC emissions are required to meet environmental standards.
| Property | Unit | Result |
|---|---|---|
| Still Not Mixed | ||
| One or Two-Part | – | One |
| Appearance (Cured) | – | Translucent (Clear) |
| Viscosity | cP / mPa·s / Pa·s | 350 / 350 / 0.35 |
| Specific Gravity (Uncured) | – | 0.88 |
| After Cured | ||
| Specific Gravity (Cured) | – | 1.12 |
| Tack-Free Time @ 25°C | minutes | 15 |
| Tack-Free Time @ 60°C, 15% RH | minutes | 5 |
| Durometer | Shore A | 80 |
| Dielectric Strength | volts/mil / kV/mm | 400 / 16 |
| Volume Resistivity | ohm·cm | 1.05 × 10¹⁵ |
| Dielectric Constant @ 100 Hz | – | 2.49 |
| Dielectric Constant @ 100 kHz | – | 2.48 |
| Dissipation Factor @ 100 Hz | – | 0.002 |
| Dissipation Factor @ 100 kHz | – | 0.004 |
| Agency Approvals | – | IPC-CC-830, UL-746E, MIL-I-46058C |
| UL Flammability Classification | – | 94 V-0 |
| Usable Temperature Range | °C | -45 to 200 (tolerates -55 short-term) |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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