Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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• Item Name: Dobeckan® FN 3400 LV
• Manufacturer: ELANTAS Europe / ELANTAS Italia Quattordio Site
• Technologies: Single-component DAP polyester resin, low VOC, thermal class H, high dielectric and mechanical properties
• Color: Yellowish
• Cure Type: Heat cure (oven)
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 12 months
Dobeckan® FN 3400 LV is a single-component, low-viscosity impregnating resin based on unsaturated polyester with DAP (diallyl phthalate) reactive thinner. It is designed for electrical insulation systems, offering high winding penetration, minimal drain losses, and excellent long-term thermal stability. The cured resin is tough, mechanically strong, and resistant to chemicals and vapors. Thermal class is H (180 °C), UL approved.
Impregnation of small, medium, and large motors (up to sizes 180–190), particularly under reciprocating operation
Use in transformers and electrical machines requiring thermal class H
Suitable for dipping, dip-rolling, and vacuum processes for compact windings and bandaged components
| Property | Condition / Method | Value | Unit |
|---|---|---|---|
| Shelf Life | 23 °C | 12 | months |
| Appearance / Colour | – | Liquid / Yellowish | – |
| Density | DIN 51757, 23 °C | 1110–1150 | g/cm³ |
| Binder Content | IEC 464-2 (1.5 g, 1h/150 °C) | 100 | % |
| Flow Time | ISO 2431, Ford Cup 4, 25 °C | 70–100 | sec |
| Flash Point | – | 160 | °C |
| Gel Time (Initial, 100 °C) | Deatech test | 50–90 | min |
| Temperature (°C) | 100 | 110 | 120 | 130 | 140 | 150 |
|---|---|---|---|---|---|---|
| Curing Time (h) | 12 | 8 | 6 | 4 | – | – |
| Property | Condition / Method | Value | Unit |
|---|---|---|---|
| Bond Strength | Twisted coil, 23 °C | >180 | N |
| 155 °C | >110 | N | |
| 180 °C | >60 | N | |
| Bond Strength (Helical coil) | IEC 60290, 199 °C | 20–22 | N |
| Bond Strength (Twisted pair) | IEC 60172, 188 °C | 1000 | V |
| Property | Condition | Value | Unit |
|---|---|---|---|
| Volume Resistivity (after water immersion) | Initial / 7 d, IEC 60464-2 | >10¹⁵ | Ω·cm |
| Volume Resistivity (elevated temp) | 155 °C / 180 °C, IEC 60464-2 | >10¹¹ / – | Ω·cm |
| Electrical Strength (after water immersion) | Initial / 24 h, IEC 60464-2 | >120 / >140 | kV/mm |
| Electrical Strength (elevated temp) | 155 °C / 180 °C, IEC 60464-2 | >100 / – | kV/mm |
| Temperature at εr tan δ = 0.1 | IEC 60250, 50 Hz / 1 kHz / 10 kHz | >100 / >155 / >155 | °C |
| Property | Condition / Test | Result / Value | Unit |
|---|---|---|---|
| Resistance to solvent vapors | Acetone, Xylene, Methanol, Hexane, CS₂ | Resistant | – |
| Water Absorption | IEC 62, 23 °C / 0.5 h at 100 °C | <5 / <10 | mg |
| Resistance to liquids | IEC 175, Ammonia (10%), Acetic acid (5%), NaOH (1%), HCl (10%), H₂SO₄ (30%), Iso-octane, Toluene, Transformer oil, BeckFluid 9902, Detergent solution | <5–<50 | mg |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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