DOWSIL EA-9187L UV Conformal Coating
Harmonization Code : 3910.00.00.90 | Silicones in Primary Forms; Others
Main features
- One-Part Solvent-Free Silicone Coating
- Shore A 17 Hardness
- 20 kV/mm Dielectric Strength
Product Description
DOWSIL™ EA-9187L UV Silicone Conformal Coating is a one-part, translucent, no-added-solvent silicone conformal coating for protecting printed circuit board assemblies and sensitive electronic components. The medium-viscosity material can be applied by spraying or dipping and cures through exposure to atmospheric moisture at room temperature, with mild heat available to accelerate cure. After cure, it forms a soft, stress-relieving elastomer with electrical insulation properties. A UV indicator supports inspection of coating coverage, while UL recognition includes UL 94 V-0 flammability classification and evaluation under UL 746C.
Key features
- No-added-solvent silicone system: One-part formulation avoids solvent addition and is supplied at a typical viscosity of 900 mPa·s.
- Soft elastomer after cure: Typical Shore A hardness of 17 supports low-stress protection of electronic components and interconnections.
- Inspection and flammability support: Contains a UV indicator and carries UL recognition, including UL 94 V-0 and UL 746C.
Applications / Suitable for
- Environmental protection of printed circuit board assemblies
- Corrosion protection of electronic assemblies
- Dielectric protection of electronic components and circuitry
- Thin-section encapsulation of sensitive components
Technical Specifications
No specifications available.
Additional Information
DOWSIL™ EA-9187L UV Silicone Conformal Coating is a one-part, translucent, no-added-solvent silicone conformal coating for protecting printed circuit board assemblies and sensitive electronic components. The medium-viscosity material can be applied by spraying or dipping and cures through exposure to atmospheric moisture at room temperature, with mild heat available to accelerate cure. After cure, it forms a soft, stress-relieving elastomer with electrical insulation properties. A UV indicator supports inspection of coating coverage, while UL recognition includes UL 94 V-0 flammability classification and evaluation under UL 746C.
Key features
- No-added-solvent silicone system: One-part formulation avoids solvent addition and is supplied at a typical viscosity of 900 mPa·s.
- Soft elastomer after cure: Typical Shore A hardness of 17 supports low-stress protection of electronic components and interconnections.
- Inspection and flammability support: Contains a UV indicator and carries UL recognition, including UL 94 V-0 and UL 746C.
Applications / Suitable for
- Environmental protection of printed circuit board assemblies
- Corrosion protection of electronic assemblies
- Dielectric protection of electronic components and circuitry
- Thin-section encapsulation of sensitive components
After-processing / final-state properties
Typical properties measured after cure. Values are not intended for preparing specifications and should not be used alone as design values.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Specific gravity | 0.98 | — | Cured |
| Durometer hardness | 17 | Shore A | Cured |
| Tensile strength | 0.44 | MPa | Cured |
| Elongation at break | 165 | % | Cured |
| Unprimed lap-shear strength | 0.31 | MPa | Glass substrate |
| Dielectric strength | 20 | kV/mm | Cured |
| Volume resistivity | 3 × 1015 | ohm·cm | Cured |
| Dielectric constant | 2.8 | — | At 1 MHz |
