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500-223 Electronics-grade Optically Clear Dielectric Soft Gel Pottant and Encapsulant Silicone

(1-part sealant)

500-223 cures to an extremely soft, optically clear gel to provide maximum stress and strain relief in addition to great dielectric properties.

Ideal for potting and encapsulating extremely delicate electronics, this non-hazardous elastomeric enhances reliability through vibration damping and stress relief. As one of our 500 Series Electronics-grade silicones, 500-223 is a neutral cure (alkoxy) sealant suitable application via needle dispensing, pouring, or flow coating. It’s a ready-to-use, room temperature moisture cured silicone that cures to an extremely compliant, elastic cushion to reduce strain on electronics components. When a non-corrosive product is required, this is an alternate unprimed adhesive solution that:

  • Provides a barrier to protect against moisture and dust
  • Helps dampen vibrations

A pourable translucent liquid, 500-223 has a viscosity of ~ 14,000 cPs and begins to gel in ~20 minutes.

How to Buy
 
  • Applications
    • Frame and junction box sealant in photovoltaic modules
    • Potting of sensitive electronic components and circuit boards
    • Thin-section encapsulation
    • General electronics/industrial potting applications requiring a very soft, non- corrosive product
  • Details

    Novagard’s 500 series moisture-cure conformal coatings and sealants achieve primer-less adhesion to electronics substrates such as FR4, plastic, copper, and other metals. The inside-out cure provides longer working times and low odor, and are free of solvents with no isocyanates.

    Certain materials, chemicals, curing agents, and plasticizers may inhibit the cure. The most notable are organotin catalysts, amino compounds, polysulfide, and other sulfur-containing materials. Do not use in or around highly oxidative chemicals such as liquid oxygen, chlorine, or peroxides. Not recommended for surfaces that are to be painted.

  • Packaging and Lead Times
    This product is available in the following formats:
    • 10 ounce cartridge
    • 1 gallon pail
    • 5 gallon pail
    • 55 gallon drum

    Lead times are:
    • This product is temporarily unavailable. Please send any inquiries to [email protected].
  • Specifications
    • Physical Properties
      Form Cure Chemistry Electronics Grade Appearance UV Indicator Specific Gravity Viscosity (cPs) Gel Start Time (min) Durometer Shore 000 Tensile Strength (psi) Elongation (%)
      Pottant and Encapsulant 1 Component Alkoxy Moisture Yes Optically Clear Available 0.98 14,000 -20 40 15 1,600
    • Electrical Properties
      Dielectric Strength Dielectric Constant at 100 Hz Dielectric Constant at 100 kHz Dissipation Factor at 100 Hz Dissipation Factor at 100 kHz Volume Resistivity (Ω cm)
      15.1 kV/mm (383 V/mil) 0.89 0.89 0.0014 0.00005 3.22 x 1013
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