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® AA 3922™
• Manufacturer: Henkel
• Technologies: UV Acrylic
• Color: Transparent to hazy liquid
• Cure Type: Ultraviolet (UV) / Visible light
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
LOCTITE® AA 3922™ is a one-component, UV/visible light-curing acrylic adhesive designed for high-speed production. It exhibits excellent adhesion to glass, plastics, and metals and is suitable for applications requiring flexibility, fast curing, and autoclave resistance. The adhesive fluoresces under UV light for inspection and is ISO 10993 tested for biocompatibility, making it ideal for medical device assembly.
| Property | Value |
|---|---|
| Uncured Properties | |
| Chemical Type | UV Acrylic |
| Appearance | Transparent to hazy liquid |
| Fluorescence | Positive under UV light |
| Specific Gravity @ 25°C | 1.04 |
| Viscosity (25°C, 1000 s⁻¹) | 150 – 450 mPa·s (cP) |
| Curing Properties | |
| UV Fixture Time (≤10 sec) | 6 mW/cm² @ 365 nm |
| Tack-Free Time | >60 sec @ 30 mW/cm² |
| Depth of Cure | Up to 14 mm @ 100 mW/cm² |
| Cured Properties | |
| Glass Transition Temperature (Tg) | 75°C |
| Shore Hardness (D) | 66 |
| Elongation at Break | 135% |
| Tensile Strength | 18 N/mm² (2600 psi) |
| Tensile Modulus | 630 N/mm² (92,000 psi) |
| Adhesive Performance | |
| Needle Pullout Strength (22G, Polycarbonate) | 205 N (46 lb) |
| Needle Pullout Strength (22G, Polypropylene – Plasma Treated) | 220 N (50 lb) |
| Block Shear Strength (Acrylic to Acrylic) | 7.0 N/mm² (1000 psi) |
| Block Shear Strength (Aluminum to Glass) | 14.5 N/mm² (2100 psi) |
| Environmental Resistance | |
| Heat Aging (1000h @ 100°C) | 50% strength retention |
| Water Immersion (7 days @ 22°C) | 14.2% water absorption |
| Sterilization Resistance | Gamma, ETO, Autoclave up to 5 cycles |
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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