
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
HumiSeal® 1A20 is a single-component, chemically resistant, fast-curing polyurethane conformal coating. It fluoresces under UV light for inspection and meets MIL-I-46058C, IPC-CC-830, and RoHS Directive 2002/95/EC standards. The product is UL-recognized under File Number E105698.
Property | Value |
---|---|
Density | 1.02 ± 0.02 g/cm³ |
Solids Content | 50 ± 3% |
Viscosity | 100 ± 30 cP |
VOC | 511 g/L |
Recommended Coating Thickness | 25 – 75 µm |
Drying Time to Handle | 60 minutes |
Recommended Curing | 24 hrs @ RT or 3 hrs @ 76°C |
Time to Reach Optimum Properties | 7 days |
Shelf Life | 6 months at RT |
Property | Value |
---|---|
Thermal Shock Resistance | -65°C to 125°C |
Coefficient of Thermal Expansion | 515 ppm/°C |
Glass Transition Temperature (Tg) | 71°C |
Modulus (DMA) | 89.6 MPa |
Flammability (UL94) | V-0 |
Dielectric Withstand Voltage | >1500V |
Dielectric Constant (1MHz, 25°C) | 3.5 |
Dissipation Factor (1MHz, 25°C) | 0.028 |
Insulation Resistance | 3.0 x 10¹⁴ Ω |
Moisture Insulation Resistance | 4.8 x 10¹⁰ Ω |
Fungus Resistance | Passes |
Chemical Resistance | Excellent |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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