Conformal Coating with UV Tracer
Shin-Etsu's KE-3421 is a fast, single component, room-temperature curing conformal coating that will cure to form a durable and flexible elastomer for protecting electronic components. KE-3421 is suitable for application by selective spray coating, mass coating, and flow coating, making it ideal for coating circuit boards.
- UV tracer for easy inspection
- Fast cure
- Single component
- Room-temperature cure
- Low odor and non-corrosive
- Excellent unprimed adhesion to most substrates
- Moisture cure Shore-A flexible elastomer for protecting electronic components
- UL 94 V-1 rated
- Low viscosity and fast 5-minute tack-free time at 50% RH
Typical Applications
- Coating circuit boards and other electronic components
Notes
- Considered to be a "Work Horse" product and uses an old reliable formula
- Packaged in a very easy-to-use bladder bag
- Manufactured in Akron, OH
Typical Properties
- Type: Conformal Coating
- Cure Type: Condensation
- One/Two Component: One
- Cold Storage: Y
- Color: Light Yellow Translucent
- Density @ 23°C (g/cm3): 1.00
- Viscosity (cps): 250.00
- Cure Conditions: 7 days @23°C/50% RH
- tack Free Time (min): 5
- Shore A Hardness: 25
- Tensile Strength (MPa): 0.70
- % Elongation: 80
- Shear Strength (MPa): 0.20
- Volume Resistivity (TΩ·m): 1
- Dielectric Strength (kV/mm): 25
- Dielectric Constant: 3.1 @ 50Hz
- Dielectric Dissipation Factor: 1.0 x 10-4 @ 50Hz
- Thermal Conductivity (W/m·K): 0.20
- Usable Temperature Range: -40°C to +180°C
Note: Values are not for specification purposes.
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