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    6 Products

    Ready-to-Use Silicone Rubber Potting Compounds

    Image of Product. Front orientation. Potting Compounds. Ready-to-Use Silicone Rubber Potting Compounds, Cartridge.

    Cartridge

    No mixing required—these potting compounds come ready to apply. Use them to encase electronic assemblies for protection from dust, moisture, mechanical shock, and vibration. Softer and more flexible than epoxies and urethanes with the widest temperature range, silicone rubber potting compounds are the best choice for high-temperature applications and electronics exposed to thermal cycling. They have good moisture resistance but poor chemical and abrasion resistance. Silicones provide excellent electrical insulation. They're also known as RTV (room-temperature vulcanizing) compounds because they don’t need heat or UV light to cure.
    Container
    Dry Time
    Mfr. Model
    No.
    Size, fl.
    oz.
    Type
    Consistency
    Touch,
    min.
    Overall,
    hr.
    Dielectric Strength,
    V/mil
    Thermal Conductivity,
    W/(m⋅°C)
    Temp. Range,
    ° F
    Certification
    Mil. Spec.
    For Use On
    Color
    Clarity
    Each
    Dow Potting Compounds—Soft
    83910.3CartridgePaste3524Not RatedNot Rated-45 to 390Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium, Plastic, Rubber, Composite, Fiberglass, Ceramic, GlassBlueSemi-Clear0000000000000
     
    Loctite® Potting Compounds—Soft
    51453TubeThick Liquid2724500.2-45 to 390Mil. Spec.MIL-A-46146Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Plastic, Ceramic, GlassWhiteSemi-Clear000000000000
    514510.1CartridgeThick Liquid2724500.2-45 to 390Mil. Spec.MIL-A-46146Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Plastic, Ceramic, GlassWhiteSemi-Clear0000000000000
     

    Reusable Silicone Rubber Potting Compounds

    Image of ProductInUse. Front orientation. Potting Compounds. Reusable Silicone Rubber Potting Compounds.
    Image of Product. Front orientation. Potting Compounds. Reusable Silicone Rubber Potting Compounds, Bottle Potting Compounds.

    Bottle

    Potting

    Compounds

    Make repairs or changes to electrical components after they’ve been potted. While most compounds are permanent, these form a gel that bonds to itself, so you can peel it off without damaging your equipment. Often used in junction boxes, they form a water- and dust-proof seal that’s rated IP68 while also providing excellent electrical insulation. Made of silicone rubber, they withstand a wide range of temperatures and are soft and flexible enough to resist shock and vibration. However, they’re not as strong as permanent potting compounds, so they don’t resist scrapes as well as those made of epoxy and urethane. They’re also not as chemical resistant as epoxy and urethane compounds.
    These compounds won’t solidify once you open the container, so you have time to make adjustments when applying them. When removing them from your components, they mostly come off in one piece but there might be some residue left over.
    Bottle Potting Compounds—Bottle compounds are a better choice for filling up new enclosures than cartridge compounds because you can pour more in at a time. They have a compartment for each component and require mixing.
    Dry
    Time, min.
    Container
    Size, fl. oz.
    Consistency
    Touch
    Overall
    Mix
    Ratio
    Dielectric Strength,
    V/mil
    Thermal Conductivity,
    W/(m⋅°C)
    Temp. Range,
    ° F
    Enclosure
    Rating
    Environment
    For Use On
    Color
    Clarity
    Each
    Bottle Potting Compounds
    8.4Gel15151:15000.2-75 to 390IP68
    Dusty, SubmersibleAluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium, Plastic, Rubber, Composite, Fiberglass, Ceramic, GlassBlueSemi-Clear0000000000000
    33.8Gel15151:15000.2-75 to 390IP68
    Dusty, SubmersibleAluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium, Plastic, Rubber, Composite, Fiberglass, Ceramic, GlassBlueSemi-Clear000000000000
     

    Light-Activated Silicone Rubber Potting Compounds

    Image of Product. Front orientation. Potting Compounds. Light-Activated Silicone Rubber Potting Compounds.
    These compounds dry quickly when exposed to UV light allowing you to handle the potted items sooner. Made of silicone rubber, they’re softer and more flexible than epoxy or urethane compounds, so they’re better at protecting against shocks and vibration. They also withstand a wider range of temperatures, so they’re often used with electronics that heat and cool rapidly. These compounds are excellent electrical insulators, and they’ll shield your components from moisture and dust. However, they don’t hold up well to abrasion or chemicals. The tapered nozzle lets you apply them precisely.
    Dry Time
    Mfr. Model
    No.
    Container
    Size, fl. oz.
    Consistency
    Touch,
    sec.
    Overall,
    hr.
    Light Intensity Req.
    to Reach Full Strength
    Cure
    Type
    Dielectric Strength,
    V/mil
    Thermal
    Conductivity
    Temp. Range,
    ° F
    Certification
    For Use On
    Color
    Clarity
    Each
    Loctite® Cartridge Potting Compounds—Soft
    509110 1/10Thick Liquid202460 sec. @ 40 mW/cm²UV Light450Not Rated-65 to 350UL Recognized Component
    Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Silver, Titanium, Plastic, Composite, FiberglassWhiteSemi-Clear00000000000000
     
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