
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
DOWSIL™ 3140 RTV Coating is a one-part, translucent silicone adhesive designed for coating and encapsulation applications. It offers good flowability, flame resistance, and self-leveling properties. The product is UL 94 V-1, IPC-CC-830, and MIL-I-46058C tested, making it suitable for electronic and industrial applications.
Property | Unit | Result |
---|---|---|
Type | – | One-part, RTV Silicone |
Color | – | Clear to slightly hazy |
Viscosity | cP (Pa-sec) | 34,400 (34.4) |
Specific Gravity (Cured) | – | 1.05 |
Non-Volatile Content (NVC) | % | 95.7 |
Tack-Free Time (25°C) | Minutes | 116 |
Tensile Strength | psi | 434 |
Elongation | % | 419 |
Hardness | Shore A | 31.6 |
Tensile Modulus | psi | 103 |
Adhesion (180° Peel Strength) | ppi | 40 |
Dielectric Strength | Volts/mil (kV/mm) | 385 (15) |
Volume Resistivity | Ohm*cm | 2.1 × 10¹⁴ |
Dielectric Constant (100 Hz, 100 kHz) | – | 2.52 |
Dissipation Factor (100 Hz, 100 kHz) | – | 0.004 |
Flammability Rating | – | UL 94 V-1 @ 1.4 mm, UL 94-HB @ 1.9 mm |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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