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500-09x Electronics-grade Alkoxy Silicone

(1-part sealant)

500-09x is a high performance UL-rated electronics adhesive. This one-part UL flame rated paste is for applications that require superior bond strength and flame resistance.

As one of our 500 Series Electronics-grade silicones, 500-09x is a neutral cure (alkoxy), UL flame rated black paste with a good balance of tensile strength and elongation. It’s a ready-to-use, room temperature moisture cured silicone that cures to a tough, resilient rubber. When a non-corrosive product is required, this is an alternate unprimed adhesive solution that:

  • Delivers a more uniform bond
  • Acts like a gasket to protect against moisture and dust
  • Helps dampen vibrations

500-09x comes in paste form, skins over in 8 minutes, and is completely cured within 7 days. Specially formulated to retain its physical properties even during service in extreme environmental conditions, it is ideal for applications that require superior bond strength and flame resistance.

How to Buy
 
  • Applications
    • Frame and junction box sealant in photovoltaic modules
    • Sensitive electronic components and circuit boards
    • General electronics and industrial sealing and bonding applications requiring a non-corrosive product
  • Details

    Novagard’s 500 series moisture-cure conformal coatings and sealants achieve primer-less adhesion to aluminum, polycarbonate, glass, and steel. The inside-out cure provides longer working times and low odor, and are free of solvents with no isocyanates. Designed for electronics and industrial applications, these materials are well suited to sealing and bonding applications to a wide variety of plastic and non-porous substrates.

    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:
    • 10 business days
  • Specifications
    • Physical Properties
      Cure Chemistry Electronics Grade Appearance Specific Gravity Viscosity (cPs) Extrusion Rate Skin-Over Time (min) Cure Time Durometer Shore A Tensile Strength (psi) Elongation (%) Tear Resistance
      1 Component Alkoxy Moisture Yes Black Paste 1.46 225,000 ― 650,000 (Brookfield HB #6 @ 20 rpm) 40 gm/minute minimum 8 7 days 40 ― 55 650 150 30 – 35 pli
    • Certifications
      Flammability (UL-94)
      Black = UL94 VO (pending)
    • Specifications
      Specifications
      REACH Compliant
      PFAS free Compliant
      VOC Compliant in 50 States
  • Downloads
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