Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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-Item Name: HumiSeal® 1B31S
-Manufacturer: HumiSeal
-Technologies: Acrylic Conformal Coating
-Color: Not specified
-Cure Type: 24 hrs @ RT or 30 min @ 76°C
-Package Size: Contact to Techniq VN for details.
-Shelf Life: 24 months
HumiSeal® 1B31S is a fast-drying, single-component acrylic conformal coating that enhances adhesion and provides excellent moisture and environmental protection for printed circuit assemblies. It exhibits outstanding flexibility, fluoresces under UV light for inspection, and allows for easy repairs. The product meets MIL-I-46058C, IPC-CC-830, and RoHS Directive 2002/95/EC compliance standards.
| Property | Value | Test Method |
|---|---|---|
| Density | 0.91 ± 0.02 g/cm³ | ASTM D1475 |
| Solids Content | 35 ± 3% | Fed-Std-141, Meth. 4044 |
| Viscosity | 200 ± 15 centipoise | Fed-Std-141, Meth. 4287 |
| VOC | 592 g/L | – |
| Drying Time to Handle | 10 minutes | Fed-Std-141, Meth. 4061 |
| Recommended Coating Thickness | 25 – 75 microns | – |
| Recommended Curing | 24 hrs @ RT or 30 min @ 76°C | – |
| Time to Reach Optimum Properties | 7 days | – |
| Shelf Life | 24 months | – |
| Property | Value | Test Method |
|---|---|---|
| Thermal Shock Resistance | -65°C to 125°C | MIL-I-46058C |
| Coefficient of Thermal Expansion | 170 ppm/°C below Tg, 340 ppm/°C above Tg | TMA |
| Glass Transition Temperature (Tg) | 14°C | DSC |
| Modulus | 2000 MPa @ -40°C, 1050 MPa @ 20°C, 8.5 MPa @ 60°C | DMA |
| Flammability | Self-Extinguishing | MIL-I-46058C |
| Dielectric Withstand Voltage | >1500 volts | MIL-I-46058C |
| Dielectric Breakdown Voltage | 7500 volts | ASTM D149 |
| Dielectric Constant (1MHz, 25°C) | 2.5 | ASTM D150-98 |
| Dissipation Factor (1MHz, 25°C) | 0.01 | ASTM D150-98 |
| Insulation Resistance | 8.0 × 10¹⁴ ohms (800TΩ) | MIL-I-46058C |
| Moisture Insulation Resistance | 6.0 × 10¹⁰ ohms (60GΩ) | MIL-I-46058C |
| Fungus Resistance | Passes | ASTM G21 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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