Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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Item Name: DOWSIL™ 7093 Adhesive Sealant
Manufacturer: The Dow Chemical Company
Technologies: One-component, alkoxy cure silicone
Color: White, black, gray
Cure Type: Room temperature moisture cure
Package Size: Contact to Techniq VN for details.
Shelf Life: 12 months
DOWSIL™ 7093 is a one-part, neutral-cure silicone adhesive/sealant with low modulus and high flexibility. It cures at room temperature when exposed to ambient moisture, forming a durable, non-sag elastomer. Based on an alkoxy cure system, the product offers easy application, good adhesion to many substrates, and maintains stability and flexibility across a broad service range from -50°C to +180°C. Its low modulus enables excellent movement capability, making it suitable for sealing and bonding applications requiring stress relief.
The adhesive/sealant is intended for general industrial sealing and bonding where a non-corrosive cure is critical. Typical substrates include glass, metals, and many engineering plastics, while adhesion can be improved with primers for more demanding surfaces.
DOWSIL™ 7093 balances ease of application with reliable mechanical performance. In the uncured state, it is a non-slump paste available in white, black, and gray, with medium extrusion rate and fast tack-free time. Upon curing, it delivers a moderately soft elastomer with strong elongation and low modulus, ensuring long-term flexibility. It also provides high movement accommodation and reliable adhesion across diverse substrates, even under thermal cycling.
| Property | Unit | Result | Condition/Note |
|---|---|---|---|
| One/Two Part | – | One | – |
| Appearance | – | Non-slump paste | Uncured |
| Colors | – | White, Black, Gray | – |
| Skin-over Time | min | 15 | 25°C, 50% RH |
| Tack-free Time | min | 28 | – |
| Viscosity | Pa·s | 881 (low shear) / 143 (high shear) | Uncured |
| Extrusion Rate | g/min | 210 | 3.2 mm orifice, 0.62 MPa |
| Flow | cm | 0.08 | MIL-S-8802 jig |
| Specific Gravity | – | 1.5 | Cured |
| Durometer Hardness | Shore A | 30 | 7 days cure |
| Tensile Strength | MPa | 1.7 | Cured |
| Modulus (100%) | MPa | 0.43 | Cured |
| Elongation at Break | % | 700 | Cured |
| Temperature Range | °C | -50 to +180 | Long-term use |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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