Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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• Item Name: EC 152 / W 152 HR, EC 152 / W 152 MR
• Manufacturer: ELANTAS Italia S.r.l.
• Technologies: High modulus un-filled epoxy system
• Color: Pale yellow
• Cure Type: Room temperature curing with optional post-curing at 50–60°C
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 24 months
Type: High modulus, unfilled epoxy system.
Features: Designed for composite manufacturing with glass, carbon, or Kevlar fibers. High capability for post-curing with moderate heat transfer.
Variants of hardeners:
W 152 HR: High reactivity – suitable for small components or as an accelerator.
W 152 MR: Medium reactivity – standard hardener.
(Also related: W 152 LR, W 152 XLR for larger components).
Performance: Room temperature curing with the option of post-curing at 50–60 °C for enhanced thermal resistance.
Fabrication of high-performance composite parts (small and medium size).
Structural parts for boats, model aircrafts, racing vehicles, sports equipment.
Processing method: Manual lamination at atmospheric pressure with fiber tissues (glass, carbon, Kevlar).
Hardeners can be blended to tailor reactivity for specific needs.
| Property | Resin (EC 152) | Hardener W 152 HR | Hardener W 152 MR |
|---|---|---|---|
| Colour | Pale yellow | Pale yellow | Pale yellow |
| Density (25°C) | 1.13 – 1.17 g/ml | 1.02 – 1.06 g/ml | 0.94 – 0.98 g/ml |
| Viscosity (25°C) | 1,200 – 1,800 mPa·s | 30 – 80 mPa·s | 30 – 60 mPa·s |
| Storage stability | 2 years (sealed, cool, dry) | 2 years (sealed, cool, dry) | 2 years (sealed, cool, dry) |
| Property | EC 152 / W 152 HR | EC 152 / W 152 MR |
|---|---|---|
| Mixing ratio by weight | 100 : 30 | 100 : 30 |
| Mixing ratio by volume | 100 : 36 | 100 : 33 |
| Gelation time at 25°C | 15 – 25 min | 50 – 60 min |
| Pot life (100 g, 25°C) | 12 – 17 min | 35 – 45 min |
| Exothermic peak (25°C, 200 ml) | 225 – 250 °C | 210 – 235 °C |
| Demoulding time (25°C, 15 ml / 6 mm) | 4 – 6 h | 6 – 8 h |
| Property | EC 152 / W 152 HR | EC 152 / W 152 MR |
|---|---|---|
| Colour | Pale yellow | Pale yellow |
| Density (25°C) | 1.08 – 1.12 g/ml | 1.08 – 1.12 g/ml |
| Hardness (Shore D/15) | 85 – 89 | 85 – 90 |
| Glass transition (Tg) | 70 – 76 °C | 77 – 83 °C |
| Maximum Tg (post-cured) | 95 – 120 °C | 105 – 130 °C |
| Flexural strength | 120 – 130 MPa | 120 – 130 MPa |
| Flexural modulus | 3,600 – 4,000 MPa | 3,600 – 4,000 MPa |
| Strain at break | 4.5 – 6.5 % | 7.0 – 9.0 % |
| Tensile strength | 65 – 75 MPa | 67 – 75 MPa |
| Elongation at break | 6.0 – 8.0 % | 6.0 – 8.0 % |
| Compressive strength | 88 – 98 MPa | 95 – 105 MPa |
| Water absorption (24h RT) | 0.10 – 0.20 % | 0.15 – 0.25 % |
| Water absorption (2h 100°C) | 0.55 – 0.65 % | 0.60 – 0.70 % |
| Machinability | Excellent | Excellent |
| Max recommended operating temperature | ~75 °C | ~75 °C |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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