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 3951™
• Manufacturer: Henkel
• Technologies: Acrylic
• Color: Transparent, colorless to straw-colored liquid
• Cure Type: Ultraviolet (UV) / Visible light
• Package Size: Contact toTechniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
LOCTITE® AA 3951™ is a low-viscosity, light-curing acrylic adhesive based on acrylated urethane technology. It offers:
It is suitable for medical device assembly and has been tested per ISO 10993 biocompatibility standards.
| Property | Value |
|---|---|
| Specific Gravity @ 25°C | ~1.05 |
| Viscosity @ 25°C (200 s⁻¹) | 70 – 300 mPa·s (cP) |
| Fluorescence | Positive under UV light |
| Property | Value |
|---|---|
| Fixture Time (405 nm, 10 mW/cm²) | ≤5 sec |
| Depth of Cure (405 nm, 1 W/cm², 10 sec) | ~4.5 mm |
| Property | Value |
|---|---|
| Linear Shrinkage | 3.2% |
| Specific Gravity | ~1.15 |
| Shore Hardness (D) | 62 |
| Elongation at Break | 251% |
| Tensile Modulus | 490 N/mm² (71,000 psi) |
| Tensile Strength | 22.92 N/mm² (3,324 psi) |
| Condition | % Initial Strength Retained |
|---|---|
| Water (100°C, 2h) | 173% |
| Air (60°C, 480h) | 169% |
| Isopropanol (22°C, 24h) | 87% |
| Heat/Humidity (40°C, 98% RH, 168h) | 75% |
| Substrate | Strength (N/mm²) | Strength (psi) |
|---|---|---|
| Acrylic | 5.5 | 801 |
| PC to PVC | 7.7 | 1,115 |
| PP (Plasma Treated) | 1.1 | 160 |
| LDPE (Plasma Treated) | 3.1 | 459 |
| HDPE (Plasma Treated) | 4.4 | 645 |
| PC (Grit Blasted) to PC | 22.5 | 3,268 |
| PC to Stainless Steel | 3.3 | 476 |
| PC to Steel | 4.4 | 631 |
| PC to Aluminum | 2.9 | 425 |
| Glass | 4.4 | 631 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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