Item Name: Micares® X1087BK R11/P978 100:20
Manufacturer: ELANTAS Zhuhai Co. Ltd.
Technologies: Two-component filled polyurethane system, UL 94 V-0 listed, RoHS compliant, low dielectric loss, flexible
Color: Resin – Black, 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: 12 months
Micares® X1087BK R11/P978 is a two-component, flame-retardant polyurethane sealant designed for potting and encapsulation in electrical and electronic engineering. The system is solvent-free, flexible, and cures at ambient temperature or with thermal acceleration. It is UL 94 V-0 listed with an electrical RTI of 130°C. The resin is filled, degassed, and adheres well to metallic and non-metallic substrates, with low dielectric losses and excellent flame resistance. The formulation is RoHS compliant and provides durable insulation and mechanical stability.
Encapsulation and sealing of electrical/electronic components
Flexible insulation requiring flame retardancy and tracking resistance
Ambient and vacuum casting processes without preheating
Suitable for applications where UL 94 V-0 flame resistance is mandatory
| Property | Resin X1087BK R11 | Hardener P978 | Notes |
|---|---|---|---|
| Density (25°C) | 1.40–1.45 g/ml | 1.20–1.24 g/ml | Filled resin, unfilled hardener |
| Viscosity (25°C) | 3,000–6,000 mPas | 150–250 mPas | Flowable for casting |
| Colour | Black | 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 |
| Mixture viscosity (40°C) | 900–1,500 mPas | – | Lower at heat |
| Pot life (25°C) | 15–25 min | – | Doubled viscosity |
| Pot life (40°C) | 8–14 min | – | Faster curing |
| Gelation time (25°C, 100 ml) | 30–45 min | – | Volume dependent |
| Gelation time (25°C, 15 ml) | 1.5–2.5 h | – | Slower in smaller cast |
| Demoulding time (25°C) | 6–8 h | – | Standard cycle |
| Property | Value | Notes |
|---|---|---|
| Density (25°C) | 1.37–1.41 g/ml | Stable cured resin |
| Hardness (25°C) | 85–90 Shore A / 55–60 Shore D | Flexible but firm |
| Water absorption (24h RT) | 0.2–0.3% | Moderate |
| Water absorption (2h 100°C) | 0.8–1.0% | Higher under heat |
| 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 resistance | -40°C to +170°C | Passed 10 cycles |
| Flammability | UL 94 V-0 (13 mm) | High safety |
| Max operating temp | 130°C | Electrical RTI |
| Thermal conductivity | 0.6–0.7 W/m·K | Good heat dissipation |
| Dielectric constant (25°C) | 4.5–5.0 | Insulation performance |
| 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 resistance |
| Tensile strength | 4–6 MPa | Solid mechanical integrity |
| Elongation at break | 50–60% | Flexible under stress |
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