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800-551FC is a UV curable silicone flowable conformal coating, pottant, or sealant.

800-551FC has a secondary, neutral alkoxy moisture cure for enhanced adhesion and shadow cure. This non-corrosive, single component silicone will cure to a solid elastomer in seconds upon exposure to ultraviolet (UV) light. With a viscosity of 6,000 cPs, 800-551FC is easily dispensed and flows easily and predictably into even the most complex geometries. 800-551FC will UV cure to a depth of 5mm in a single pass.

The next generation of Novagard UV/dual cure silicone conformal coatings cures tack free in a fraction of the time needed for traditional conformal coatings. After the initial UV cure, the secondary, ambient cure enhances adhesion and ensures no unreacted coating remains in shadow areas. Offering a faster, more reliable cure, our 800 series of products is an attractive alternative to solvent-based solutions.

Utilizing our Fast Cure technology, 800-551FC has a secondary moisture cure that begins in roughly 30 minutes and can develop full adhesion in hours.

How to Buy
  • Applications

    An exceptionally fast cure, 800-551FC provides stress and shock relief, and is ideal for:

    • Printed circuit/wiring boards
    • Flexible hybrid electronics
    • Rigid electronics
    • Sensitive components and harsh environments
    • Conformal coating, sealing, and potting


    800-551FC can be applied by automated needle dispense, jetting, hand dispense, flow coating, or brushing.

  • Details
    • Room temperature cure
    • Standard UV tracer for quality control
    • No oxygen inhibition
    • 100% solids
    • No solvents
    • Thermally stable from -40°C to 200°C
    • Excellent adhesion to a variety of plastic and metal substrates, including FR-4, copper, aluminum, and PET
    • Electronics grade
  • Packaging
    This product is available in the following formats:
    • 10 ounce cartridge
    • 1 gallon pail
    • 5 gallon pail
    • 55 gallon drum
    • 30cc syringe
  • Specifications
    • Physical Properties
      Form Cure Chemistry Electronics Grade Shadow Area Cure Appearance UV Indicator UV Cure Depth Specific Gravity Viscosity (cPs) Durometer Shore A Durometer Shore 00 Tensile Strength (psi) Elongation (%)
      Flowable UV Alkoxy Dual Cure Yes Yes, FAST CURE Clear yes 5.0 0.98 6,000 5 50 110 250
    • Electrical Properties
      Dielectric Strength Dielectric Constant at 100 Hz Dielectric Constantat 100 kHz Dissipation Factor at 100 Hz Dissipation Factor at 100 kHz Volume Resistivity (Ω cm)
      12.47 kV/mm 316 V/mil 1.65 1.65 0.001567 0.000061 3.31 x 1013
  • Downloads
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