Shin-Etsu KE-3421

Conformal Coating with UV Tracer

In Stock

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
As low as $108.13 Regular Price $120.14

Technical Documents

More Information
PAC Item Code C100253
Mfg. Part Number KE-3421
Brand Shin-Etsu

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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