• Item Name: Elan-tron® PU 4110 / PH 4900
• Manufacturer: ELANTAS Beck GmbH
• Technologies: Two-component, high-elasticity modified polyurethane with rubber-like properties, cold-flexible down to –50°C
• Color: Resin – White-beige; Hardener – Brown transparent
• Cure Type: Room temperature (6–8 h), optional post-curing at 80°C (12–16 h)
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 6 months
Elan-tron® PU 4110, combined with hardener PH 4900 (or PH 4920), forms a highly elastic, rubber-like polyurethane casting compound. It provides exceptional cold flexibility down to –50°C, strong adhesion, low shrinkage, and durable dielectric properties. The material withstands continuous operating temperatures up to 150°C (Thermal Index) while maintaining elasticity. It also shows high chemical resistance in moist, alkaline, or acidic environments, making it suitable for demanding outdoor or hazardous applications.
Encapsulation of pressure-sensitive components in outdoor and explosion-protected environments.
Devices requiring operation between –50°C to +150°C.
Electrical and electronic parts exposed to vibration, extreme cold, or chemically aggressive conditions (e.g., silos).
| Property | Conditions | Resin (PU 4110) | Hardener (PH 4900) | After Mixed & Cured |
|---|---|---|---|---|
| Colour | — | White-beige | Brown-transparent | Beige, elastomeric |
| Viscosity | 25°C | 6500 ± 1000 mPa·s | 110 ± 30 mPa·s | 4900 mPa·s |
| Density | 20°C | 1.12 ± 0.05 g/cm³ | 1.23 ± 0.05 g/cm³ | 1.16 ± 0.02 g/cm³ |
| Shelf Life | 23°C | 6 months | 6 months | — |
| Mixing Ratio | — | — | — | 100:20 (w/w) |
| Pot Life | 23°C, 15 ml | — | — | ~40 min |
| Curing | — | — | — | 6–8 h at RT; post-cure 80°C / 12–16 h |
| Glass Transition Temp (Tg) | IEC 61006 | — | — | < –75 °C |
| Thermal Index | IEC 216 | — | — | 150°C (tensile strength) |
| Thermal Conductivity | DIN 52613 | — | — | 0.20 W/m·K |
| Hardness | ISO 868 | — | — | 75 ± 5 Shore A |
| Tensile Strength | DIN 53455 | — | — | 2 MPa |
| Dielectric Strength | IEC 60250 | — | — | 33 kV/mm (dry, 23°C); 22.3 kV/mm (after water storage) |
| Volume Resistivity | IEC 60455 | — | — | 2.2 × 10¹⁴ Ω·cm (23°C, wet); 1.6 × 10¹⁴ Ω·cm (53°C, wet) |
| Dielectric Constant (εr) | IEC 60250 | — | — | 3.16 (50 Hz); 2.92 (1 kHz) |
| Dissipation Factor (tan δ) | IEC 60250 | — | — | ~0.025 (50 Hz – 1 MHz, dry) |
| Tracking Resistance | IEC 60112 | — | — | 600 CTI |
| Water Absorption | ISO 62 | — | — | 0.35 % (24h, RT) |
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