Brand: DOWSIL™ EA-9189 H is a one‐part, white alkoxy cure RTV adhesive marketed under the Dowsil brand by Dow.
Available Sizes: One commonly available format is a 330 mL cartridge.
Shelf Life: approximately 9 months.
DOWSIL™ EA-9189 H White RTV Adhesive:
DOWSIL™ EA-9189 H White RTV Adhesive is a one-part, white, alkoxy-cure silicone adhesive. It offers ease of use with no mixing required and features a fast tack-free time of approximately 2 minutes. This adhesive is UL 94V-0 recognized, indicating its flame-retardant properties.
This adhesive is suitable for use as a module assembly adhesive, providing reliable bonding in electronic components and assemblies.
DOWSIL™ EA-9189 H White RTV Adhesive:
| Property | Unit | Value |
|---|---|---|
| Color | – | White |
| Specific Gravity (Cured) | – | 1.68 |
| Tack-Free Time at 25°C | minutes | 2 |
| Tensile Strength | psi (MPa) | 576 (3.9) |
| Elongation | % | 32 |
| Durometer (Shore A) | – | 80 |
| Unprimed Adhesion – Lap Shear to Aluminum | psi (MPa) | 327 (2.2) |
| Unprimed Adhesion – Lap Shear to Copper | psi (MPa) | 343 (2.3) |
| Unprimed Adhesion – Lap Shear to Polycarbonate (PC) | psi (MPa) | 187 (1.2) |
| Unprimed Adhesion – Lap Shear to FR4 | psi (MPa) | 349 (2.4) |
| Thermal Conductivity | W/m·K | 0.88 |
| Volume Resistivity | ohm·cm | 3.3 × 10¹⁵ |
| Dielectric Constant @ 100 kHz | – | 2.59 |
| Dissipation Factor @ 100 kHz | – | 0.009 |
| Dielectric Strength | volts/mil (kV/mm) | 700 (28) |
| UL Flammability Classification | – | 94V-0 |
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