Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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Item Name: Micares® X1087RD resin (R10)/P 978 100:20
Manufacturer: ELANTAS Italia S.r.l.
Technologies: Two-component filled polyurethane system, UL 94 V-0 listed, RoHS compliant, low dielectric loss, flexible
Color: Resin – Red, Hardener – Brown
Cure Type: Ambient to thermal curing; final hardness achieved in 10–24 hours depending on quantity and temperature
Package Size: Contact to Techniq VN for details
Shelf Life: Contact to Techniq VN for details
Micares® X1087RD (R10)/P 978 is a two-component flame-retardant polyurethane sealant formulated for electrical and electronic applications. The system is solvent-free, liquid at ambient temperature, and cures either at room temperature or with thermal acceleration. It is listed as UL 94 V-0 with an electrical RTI of 130°C, making it highly suitable for flame-critical environments. The resin is filled, degassed, and offers strong adhesion to metallic and non-metallic substrates. The system is RoHS compliant and designed for ease of processing with consistent performance.
Encapsulation and sealing of electrical and electronic components
Flexible insulation requiring resistance to tracking and dielectric stability
Use in ambient and vacuum casting processes
Ideal for low-loss, flame-retardant potting in demanding electrical environments
| Property | Resin X1087RD | Hardener P978 | Notes |
|---|---|---|---|
| Viscosity (25°C) | 3,000–6,000 mPas | 150–250 mPas | Flowable |
| Density (25°C) | 1.40–1.45 g/ml | 1.20–1.24 g/ml | Resin filled, hardener unfilled |
| Colour | Red | Brown | Visual identification |
| Mixing ratio (by weight) | 100 | 20 | Standard |
| Mixing ratio (by volume) | 100 | 25 | – |
| Mixture viscosity (25°C) | 1,800–2,800 mPas | – | Homogeneous |
| Pot life (25°C) | 15–25 min | – | At doubled viscosity |
| Gelation time (25°C, 100 ml) | 45–60 min | – | Scales with volume |
| Demoulding time (25°C) | 7–9 h | – | For 15 ml, 6 mm cast |
| Property | Value | Notes |
|---|---|---|
| Density (25°C) | 1.37–1.41 g/ml | Stable cured mass |
| Hardness (25°C) | 85–90 Shore A / 55–60 Shore D | Flexible yet firm |
| Glass transition (Tg) | -5 to +5°C | Cold-resistant |
| Water absorption (24h RT) | 0.20–0.30% | Moderate |
| Water absorption (2h 100°C) | 0.80–1.00% | Higher at elevated temp |
| Thermal expansion (Tg -10°C) | 70–80 ×10⁻⁶/°C | Low expansion |
| Thermal expansion (Tg +10°C) | 160–180 ×10⁻⁶/°C | Controlled stability |
| Thermal shock | -40 to +170°C | 10 cycles passed |
| Flammability | UL 94 V-0 | 13 mm specimen |
| Max operating temp | 130°C | Electrical RTI |
| Thermal conductivity | 0.50–0.60 W/m·K | Good dissipation |
| Dielectric constant (25°C) | 4.5–5.0 | Strong insulation |
| Loss factor (25°C) | 100–130 ×10⁻³ | Low dielectric loss |
| Volume resistivity (25°C) | 3×10¹⁴–5×10¹⁴ Ω·cm | High insulation |
| Dielectric strength | 21–24 kV/mm | Excellent performance |
| Tensile strength | 4–6 MPa | Reliable mechanical integrity |
| Elongation at break | 50–60% | Flexible formulation |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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