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® 892 Black
Manufacturer: Bostik S.A.
Technologies: Polyamide hot melt resin, non-reactive
Color: Black
Cure Type: Low pressure molding
Package Shape: Pellets
Shelf Life: 18 months
Thermelt® 892 Black is a pure copolyamide hot melt resin, non-reactive, designed for low-pressure molding applications.
Key features:
Low moisture uptake
High hardness and cohesion
Good resistance to harsh environmental conditions (%HR, °C)
Compliant with UL 94 V0 flammability
Mainly used for:
Molding of electronic/electric components
Connectors
Cables
| Property | Value | Test Standard |
|---|---|---|
| Viscosity (200°C, SC4-S27, 50 RPM) [Pa.s] | 4.6 | ASTM D3236 |
| Softening Point (Cup & Ball) [°C] | 174 | ASTM D3461 |
| Water Content [%] | <0.2 | Bostik |
| Hardness (23°C, 15s) [Shore D] | 35 | ISO 868 |
| Density | ~1 | Internal test |
| Water Absorption (Immersed 7 days, 23°C) [%] | 0.9 | ISO 62 |
| Glass Transition (DSC) [°C] | -35 | Bostik |
| Commercial Shape | Pellets | – |
| Property | Value | Test Standard |
|---|---|---|
| Max Stress (50 mm/min, 23°C) [MPa] | >7 | ISO 527 |
| Elongation at Break (50 mm/min, 23°C) [%] | >400 | ISO 527 |
| Young’s Modulus (50 mm/min, 23°C) [MPa] | 180 | ISO 527 |
| Property | Value | Test Standard |
|---|---|---|
| Transversal Resistivity (500V) [Ω.cm] | 1.10 × 10¹² | IEC 62631-3 |
| Dielectric Rigidity (23°C) [kV/mm] | 19 | IEC 60243-1 |
| Relative Permittivity (50Hz, 23°C) | – | IEC 62631-2 |
| Relative Permittivity (1kHz, 23°C) | 4 | IEC 62631-2 |
| Relative Permittivity (1MHz–5GHz, 23°C) | – , – , – | ASTM D150 / ASTM D2520 |
| Parameter | Recommended Value |
|---|---|
| Melt Temperature Range [°C] | 200–230 |
| 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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