Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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Item Name: Elan-tron® EC 505/W 764
Manufacturer: ELANTAS Camattini S.p.A.
Technologies: Unfilled two-component epoxy, low exothermic reaction, solvent-free, good adhesion to metals/plastics, RoHS compliant
Color: Resin – Straw yellow, Hardener – Amber
Cure Type: Room temperature curing, optional post-cure not required
Package Size: Contact Techniq VN for details
Shelf Life: Resin – 24 months, Hardener – 24 months
Elan-tron® EC 505/W 764 is a two-component epoxy resin system comprising a liquid, unfilled resin and an amine hardener. It is solvent-free, exhibits low exothermic reaction, minimal shrinkage, excellent adhesion to metals and plastics, and possesses strong mechanical and electrical properties. The system offers good toughness, excellent thermal shock resistance, and complies with RoHS (European Directive 2002/95/EC). Curing occurs at room or moderate temperatures, and post-curing is generally unnecessary. The components should be stored in sealed containers in a cool, dry place to ensure a shelf life of up to two years.
Electrical and electronic components
Small castings
Transformers and ignition coils
Wound magnets
Suitable for manual or automated casting processes
Before Mixing
| Property | Value | Unit |
|---|---|---|
| Resin viscosity (25°C) | 550–650 | mPas |
| Hardener viscosity (25°C) | 220–320 | mPas |
| Resin density (25°C) | 1.09–1.15 | g/ml |
| Hardener density (25°C) | 0.94–0.98 | g/ml |
| Mix ratio (weight) | 100:30 | Resin:Hardener |
| Mix ratio (volume) | 100:37 | ml |
| Mix color | Straw yellow (resin), Amber (hardener) | – |
| Initial mixture viscosity (25°C) | 400–700 | mPas |
| Working time (40°C) | 22–30 | min |
| Working time (60°C) | 10–15 | min |
| Gel time (25°C, 15 ml/6 mm) | 1.5–2.5 | h |
| Demolding time (25°C, 15 ml/6 mm) | 3.0–4.0 | h |
After Curing (24 h TA + 15 h at 60°C)
| Property | Value | Unit |
|---|---|---|
| Density (25°C) | 1.11–1.15 | g/ml |
| Hardness (Shore D/15) | 76–80 | – |
| Glass transition (Tg) | 55–65 | °C |
| Linear thermal expansion (Tg+10°C) | 65–75 & 160–180 | 10^-6/°C |
| Max. operating temperature | 120 | °C |
| Dielectric constant (25°C) | 3.0–3.5 | – |
| Dielectric constant (130°C) | 5.5–6.2 | – |
| Dielectric loss (25°C) | 0.01–0.02 | – |
| Volume resistivity (25°C) | 3×10^15–6×10^15 | Ω·cm |
| Dielectric strength (25°C) | 21–23 | kV/mm |
| Flexural strength | 55–65 | MN/m² |
| Max. bending | 5.0–7.0 | % |
| Elastic modulus | 1,200–1,800 | MN/m² |
| Tensile strength | 35–45 | MN/m² |
| Elongation at break | 10–14 | % |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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