
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
LOCTITE® AA 332™ is a high-viscosity, one-component modified acrylic adhesive designed for bonding permanent magnets in motor applications. It provides strong, durable bonds with excellent impact and peel resistance. It cures using Activator 7387™ and can be accelerated with heat.
Property | Value |
---|---|
Uncured Properties | |
Chemical Type | Modified acrylic |
Appearance (Uncured) | Opaque light yellow to dark amber |
Viscosity @ 25°C (mPa·s) | 75,000 – 130,000 |
Specific Gravity @ 25°C | 0.97 |
Flash Point | See SDS |
Curing Properties | |
Fixture Time (Steel, Activator 7387™) | ≤3 min (0.05 mm gap), ≤30 min (0.5 mm gap) |
Heat Cure Conditions | 130°C for 20 min, 150°C for 10 min |
Cured Properties | |
Shore Hardness (Durometer D) | 69 |
Tensile Modulus (N/mm²) | 950 (138,000 psi) |
Tensile Strength (N/mm²) | 17.9 (2,600 psi) |
Adhesion Strength | |
Lap Shear Strength (Steel, 0.05 mm gap) | ≥11 N/mm² (≥1,595 psi) |
Lap Shear Strength (Steel, 0.5 mm gap) | ≥3.4 N/mm² (≥493 psi) |
180° Peel Strength (Steel) | 3.5 N/mm (20 lb/in) |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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