Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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Item Name: Araldite® 2019
Manufacturer: Huntsman Advanced Materials
Technologies: Two-component epoxy structural adhesive
Color: Component A – Black paste, Component B – Yellowish paste, Mixed – Black paste
Cure Type: Room temperature cure, performance enhanced by elevated temperature post-curing
Package Size: Contact to Techniq VN for details.
Shelf Life: 3 years
Araldite® 2019 is a two-component, thixotropic epoxy adhesive paste characterized by high strength, resilience, and toughness. Designed for structural bonding, it provides superior performance on composites, especially CFRP, while also bonding metals, ceramics, and thermoplastics. The adhesive contains spacers to ensure a minimum bond line of 0.05 mm and achieves its best performance when post-cured at elevated temperatures.
Structural bonding of CFRP composites (primary target).
Adhesion to a wide variety of metals (aluminium, steel, stainless steel, galvanised steel, copper, brass).
Bonding of engineering plastics (ABS, PA, PC, PMMA, PVC, SMC).
Suitable for industrial and professional assembly requiring high lap shear, heat resistance, and durability.
Long-term use in applications exposed to heat, chemicals, and weathering.
| Property | Component A (Resin) | Component B (Hardener) | Mixed |
|---|---|---|---|
| Appearance | Black paste | Yellowish paste | Black paste |
| Density (g/cm³) | 1.2 | 1.0 | ~1.1 |
| Viscosity at 25°C | 80,000–100,000 cP | 10,000–15,000 cP | Thixotropic |
| Mix Ratio (by weight) | 100 | 43 | – |
| Mix Ratio (by volume) | 100 | 50 | – |
| Pot Life (100 g at 25°C) | – | – | 100–120 min |
| Property | Value | Cure Schedule / Notes |
|---|---|---|
| Lap Shear Strength at 23°C | >25 MPa | Aluminium, sandblasted, cured 16h/40°C + 1h/80°C |
| Lap Shear (metals) | 20–35 MPa | Aluminium, steel, stainless steel, copper, brass |
| Lap Shear (plastics) | 5–20 MPa | CFRP, GRP, ABS, PA, PC, PMMA, PVC, SMC |
| Glass Transition Temperature (Tg, DSC) | 60–122°C | Depending on cure cycle |
| Peel Strength (Aluminium) | 6–8 N/mm | 16h/40°C cure |
| Tensile Strength | ~40 MPa | ISO 527, cured 16h/40°C + 1h/80°C |
| Tensile Modulus | 1600 MPa | – |
| Elongation at Break | ~4% | – |
| Flexural Strength | 65 MPa | ISO 178 |
| Flexural Modulus | 1500 MPa | – |
| Durometer Hardness | Shore D 75 | ISO 868 |
| Fracture Toughness (K1c) | 1.7 MPa·m½ | – |
| Fracture Energy (G1c) | 1.9 kJ/m² | – |
| Shear Modulus (23°C) | 800 MPa | ISO 6721 |
| Temperature | Time to LSS > 1 MPa | Time to LSS > 10 MPa |
|---|---|---|
| 23°C | ~4.5 h | ~6 h |
| 40°C | 100 min | 2 h |
| 60°C | 20 min | 30 min |
| 100°C | <5 min | 10 min |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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Techniq Vietnam provides end-to-end materials and process solutions, integrating world-class technologies in adhesives, soldering, and thermal management.
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At Techniq, our mission is to connect cutting-edge materials, processes, and equipment with customer needs, enabling efficiency, reliability, and long-term value creation.
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