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Clear Urethane - Electrical / electronic insulator

CRC Clear Urethane is a stable single component polyurethane coating for electrical and electronicapplications. It dries fast, adheres well and forms a hard, durable, flexible and non conductive film for electrical motor windings and armature coils

CRC Urethane Seal Coats are an excellent adhering one-component polyurethane coatings. Its abrasive resistant insulation acts as a protective film, for electrical and electronic applications. CRC Urethane Seal Coats are stable single component polyurethane coating that dries fast, adheres well and forms a hard, durable, flexible and non-conductive film.

Applications: Recommended for:

  • Protecting components from condensation and moisture
  • Protecting printed circuit boards.
  • Insulates cables and wires
  • Coating terminal strips, screw connections, and switch boxes that are exposed to atmospheric effects.
  • Coating for Electric motor windings, armature coils, commutator ends, transformer ends.
  • Coating for housings and bus bars.
  • Protective coating for tools.


  • Clear or Red. Available in two conformal colours.
  • Humidity and Salt Spray Resistant. Provides heavy corrosion protection to preserve and lengthen useful life of equipment.
  • Protection. Offers protective resistance to shocks, abrasion and aggressive chemicals atmospheres.
  • High Dielectric Strength, and a high surface and volume resistivity which, when combined with a low dielectric constant and dissipation factor, are necessary for
    successful electrical and electronic applications.


  • Flash Point: 43°C Open Cup
  • Boiling Point: 800°C Initial
  • Odour: Of organic solvent
  • % Volatile: 86%
  • Appearance: Colourless or Red film
  • Specific Gravity: 0.86 +/- 0.02
  • Dielectric Constant: 4.04 at 60Hz
  • Volume Resistance: 8.4 @ 10 ohms/cm
  • Surface Resistance: 1.2 @ 10 ohms/cm
  • Viscosity: 13s (Ford Cup)
  • Propellant: Hydrocarbon

Performance Characteristics:

  • Type of Film: Drying time = approx 1 hour
  • A Thickness of Three Coats: Dielectric resistance of 16kV
  • Breakdown Voltage: 20 kV/mm
  • Creep Resistance: 600V (DIN IEC112/VDE 0303 Part 1)
  • Endurance Thermal Stability: 100°C
  • Temporary Thermal Stability: 120°C
  • Low Temperature Stability: Minus 70°C
  • Corrosion resistance: Up to 2 years outdoors
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