Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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Item Name: THERMELT® 861 Natural
Manufacturer: Bostik S.A.
Technologies: Polyamide hot melt resin, non-reactive
Color: Natural
Cure Type: Contact to Techniq VN for details.
Package Size: Contact to Techniq VN for details.
Shelf Life: 18 months
Thermelt® 861 Natural is a pure copolyamide, non-reactive hot melt resin designed for low-pressure molding applications. It features:
Good wetting and fluidity at application temperature
Short open time and fast setting time
Soft material characteristics
UL 94 V0 flammability rating
Primarily used for:
Molding of electronic and electrical components
Connectors
Cables
| Property | Value | Test Standard |
|---|---|---|
| Viscosity (200°C, SC4-S27, 50 RPM) [Pa.s] | 3.6 | ASTM D3236 |
| Softening Point [°C] | 159 | ASTM D3461 |
| Water Content [%] | <0.2 | Bostik |
| Hardness (23°C, 15s) [Shore D] | 21 | ISO 868 |
| Density | ~1 | Internal test |
| Water Absorption (7 days, 23°C) [%] | 2.4 | ISO 62 |
| Glass Transition (DSC) [°C] | -30 | Bostik |
| Flammability | V0 | UL 94 |
| Colour | Natural | – |
| Commercial Shape | Pellets | – |
| Property | Value | Test Standard |
|---|---|---|
| Max Stress (50 mm/min, 23°C) [MPa] | >3 | ISO 527 |
| Elongation at Break (50 mm/min, 23°C) [%] | >150 | ISO 527 |
| Young’s Modulus (50 mm/min, 23°C) [MPa] | 49 | ISO 527 |
| Property | Value | Test Standard |
|---|---|---|
| Transversal Resistivity (500V) [Ω·cm] | 1×10¹² | IEC 62631-3 |
| Dielectric Rigidity (23°C) [kV/mm] | 19 | IEC 60243-1 |
| Relative Permittivity (50Hz, 23°C) [F/m] | 5.6 | IEC 62631-2 |
| Relative Permittivity (1kHz, 23°C) [F/m] | – | IEC 62631-2 |
| Relative Permittivity (1MHz, 23°C) [F/m] | 3.3 | ASTM D150 |
| Relative Permittivity (1GHz, 23°C) [F/m] | 2.7 | ASTM D150 |
| Relative Permittivity (5GHz, 23°C) [F/m] | 2.6 | ASTM D2520 |
| Parameter | Recommended Value |
|---|---|
| Melt Temperature Range [°C] | 180 – 210 |
| Mold Temperature Range [°C] | 20 – 60 |
| Drying Time (Air oven, thin layer) [h] | 6 |
| Drying Temperature [°C] | 80 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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