Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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DOWSIL™ EA-3838 Fast Adhesive is a two-part, fast room temperature curing thixotropic adhesive with excellent adhesion to various substrates. It features:
| Property | Base (Black) | Catalyst (White) |
|---|---|---|
| Appearance | Black viscous liquid | White paste |
| Specific Gravity | 1.34 | 1.60 |
| Viscosity (1 s⁻¹) | 350,000–450,000 Pa.s | 550,000–700,000 Pa.s |
| Viscosity (10 s⁻¹) | 150,000–200,000 Pa.s | 75,000–100,000 Pa.s |
| Property | 2:1 Ratio | 4:1 Ratio |
|---|---|---|
| Appearance | Black non-slump paste | Black non-slump paste |
| Snap Time (25°C, 50% R.H.) | 2–3 min | 4–6 min |
| Tack-Free Time (25°C, 50% R.H.) | 5–8 min | 13–18 min |
| Vertical Flow | <2 mm/60 sec | <2 mm/60 sec |
| Property | Result |
|---|---|
| Hardness (Shore A) | 40 |
| Tensile Strength | >1.5 MPa |
| Elongation at Break | >250% |
| Substrate Combination | Strength (MPa) | Cohesive Failure (%) |
|---|---|---|
| Glass / Stainless Steel | 1.4 | 100 |
| Glass / Aluminum | 1.2 | 100 |
| Glass / PC, PA | 1.2 | PC: 50, PA: 100 |
| Glass / ABS, PBT | 1.0 | 100 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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