Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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LOCTITE® AA 3525™ is a one-component, UV/visible light-curable modified acrylic adhesive. It offers high-speed curing, excellent flexibility, toughness, and durability against moisture. It forms clear, colorless bonds and is suitable for bonding glass, metals, and plastics in industrial applications, including electric motor balancing.
| Property | Value |
|---|---|
| Appearance | Transparent liquid |
| Specific Gravity @ 25°C | 1.08 |
| Viscosity @ 25°C (mPa·s) | 15,250 |
| Fluorescence | Positive under UV light |
| Cure Condition | Fixture Time (seconds) | Tack-Free Time (seconds) |
|---|---|---|
| LED flood light (100 mW/cm² @ 405 nm) | 5 | 25 |
| LED flood light (1000 mW/cm² @ 405 nm) | – | 8 |
| LED flood light (100 mW/cm² @ 365 nm) | 5 | 60 |
| LED flood light (1000 mW/cm² @ 365 nm) | – | 55 |
| Zeta® 7200 (50 mW/cm² @ 365 nm) | – | 12 |
| Zeta® 7400 (50 mW/cm² @ 365 nm) | – | 5 |
| Property | Value |
|---|---|
| Shore Hardness (Durometer D) | 60 |
| Refractive Index | 1.51 |
| Elongation at Break (%) | 260 |
| Tensile Strength (N/mm² / psi) | 24 / 3,500 |
| Tensile Modulus (N/mm² / psi) | 175 / 25,000 |
| Glass Transition Temperature (°C) | 50 |
| Substrate | Strength (N/mm² / psi) |
|---|---|
| Glass (0 gap) | 4.7 / 700 |
| Glass (0.5 mm gap) | 5 / 725 |
| ABS to Glass | 3.6 / 520 |
| Acrylic to Glass | 4.3 / 630 |
| Aluminum to Glass | 9.8 / 1,420 |
| G-10 Epoxyglass to Glass | 8.6 / 1,250 |
| Polycarbonate to Glass | 7.7 / 1,110 |
| PVC to Glass | 7.1 / 1,030 |
| Steel to Glass | 10.2 / 1,480 |
| Test Condition | % of Initial Strength |
|---|---|
| Humidity Resistance (49°C, 2 weeks) – ABS to Glass | 120% |
| Humidity Resistance (49°C, 4 weeks) – ABS to Glass | 115% |
| Heat Aging (121°C, 6 weeks) – Aluminum to Glass | 115% |
| Heat Aging (149°C, 6 weeks) – Aluminum to Glass | 80% |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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