Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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• Item Name: LOCTITE® EA M-121HP™
• Manufacturer: Henkel
• Technologies: Epoxy
• Color: Resin – Off-white to beige, Hardener – Amber, Mixed – Amber-beige
• Cure Type: Room temperature cure after mixing
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
LOCTITE® EA M-121HP™ is a two-component, medium-viscosity epoxy adhesive that cures at room temperature to form a tough, amber-beige bondline. It offers excellent resistance to peel, impact forces, and thermal shock. This adhesive is designed for bonding dissimilar materials such as metals, plastics, and ceramics and is suitable for medical device assembly.
| Property | Resin | Hardener |
|---|---|---|
| Appearance | Off-white to beige liquid | Amber liquid |
| Specific Gravity @ 25°C | 1.1 | 1.0 |
| Viscosity (mPa·s @ 25°C) | 41,000 – 61,000 (Spindle 7, 50 rpm) | 2,000 – 4,000 (Spindle 5, 50 rpm) |
| Mix Ratio (by weight) | 100:46 | |
| Mix Ratio (by volume) | 2:1 |
| Property | Value |
| Specific Gravity @ 25°C | 1.07 |
| Gel Time @ 100°C (seconds) | 120 – 240 |
| Working Life (minutes) | 120 |
| Tack-Free Time (minutes) | 140 |
| Property | Value |
| Glass Transition Temperature (Tg) | 90°C |
| Elongation (%) | 10 |
| Tensile Strength (N/mm²) | 5,910 |
| Shore Hardness (Durometer D) | 76 – 90 |
| Dielectric Breakdown Strength (kV/mm) | 25.6 |
| Substrate | Lap Shear Strength (N/mm²) |
| Steel (grit blasted) | 29.4 (4,270 psi) |
| Aluminum (etched & abraded) | 33.1 (4,800 psi) |
| Stainless Steel | 23.1 (3,350 psi) |
| Polycarbonate | 7.0 (1,010 psi) |
| Nylon | 2.3 (330 psi) |
| PVC | 11.7 (1,700 psi) |
| ABS | 7.5 (1,090 psi) |
| Glass | 22.7 (3,290 psi) |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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