Industrial Silicone Sealants

Silicone-based Dow Corning sealants last longer and are more versatile that most organic polymer sealants.  They are durable, one-part RTV sealants.  These Dow Corning industrial silicone sealants cure at room temperature to a tough, rubbery solid with exceptional performance characteristics.   If the application calls for an industrial silicone sealant to withstand high temperatures or solvents, to bond glass or metal, to flow into cracks or voids, or to resist mildew, Dow Corning has a RTV sealant for it.

  1. RTV 786 Dow Corning® 786 Mildew Resistant Sealant

    RTV 786 Dow Corning® 786 Mildew Resistant Sealant

    Product #: RTV786W100

    One part acetoxy silicone rubber sealant which has excellent adhesion to a variety of non-porous surfaces.  Offered in 10.1 oz cartridge.

    $5.57
  2. RTV 236 Dow Corning® 236 Dispersion Coating

    RTV 236 Dow Corning® 236 Dispersion Coating

    Product #: RTV2361LB

    Release coating for protective surfaces from weathering, corrosion and dirt.  Offered in a 1 LB pail.

    $25.87
  3. RTV 3140 Dow Corning® 3140 Conformal Coating

    RTV 3140 Dow Corning® 3140 Conformal Coating

    Product #: RTV3140C30

    Designed for use in corrosion-sensitive electrical/electronic equipment.  Offered in a 3 oz tube.

    $41.90
  4. RTV 730 Dow Corning® 730 Solvent Resistant Sealant

    RTV 730 Dow Corning® 730 Solvent Resistant Sealant

    Product #:RTV730W30RTV730W50

    Bonding, sealing and caulking where resistance to fuels, oils and solvents is required.  Offered in a 3 oz or 5 oz tube.

    Starting at: $110.52

  5. RTV 732 Dow Corning® 732 Multi-Purpose Sealant

    RTV 732 Dow Corning® 732 Multi-Purpose Sealant

    Product #:RTV732C4GRTV732C100RTV732B30RTV732A40RTV732W4GRTV732W100RTV732C30RTV732B40RTV732A4GRTV732A100RTV732W30RTV732C40RTV732B4GRTV732B100RTV732A30RTV732W40

    General purpose bonding and sealing; making formed-in-place gaskets.  Offered in Clear, Aluminum, Black or White and 3oz tube, 4oz tube, 10.1oz cartridge, or 4 gallon pail.

    Starting at: $4.35

  6. RTV 736 Dow Corning® 736 Heat Resistant Sealant

    RTV 736 Dow Corning® 736 Heat Resistant Sealant

    Product #:RTV736R4GRTV736R100RTV736R30

    Sealing and bonding applications exposed to temperatures as high as 600 degrees Fahrenheit (315 degrees Celsius). Offered in a 3oz tube, 10.1oz cartridge or 4 gallon pail.

    Starting at: $8.14

  7. RTV 748 Dow Corning® 748 Noncorrosive Sealant

    RTV 748 Dow Corning® 748 Noncorrosive Sealant

    Product #:RTV748W100RTV748W30

    Electrical sealing applications; food processing and transportation applications. Offered in a 3oz tube or 10.1oz cartridge.

    Starting at: $7.14

  8. RTV 832 Dow Corning® 832 Multi-Surface Adhesive/Sealant

    RTV 832 Dow Corning® 832 Multi-Surface Adhesive/Sealant

    Product #:RTV832W100RTV832B100RTV832G100

    Engineered for use as an all-purpose assembly and maintenance sealant, it bonds to many surfaces and offers superior adhesion to glass, metal, masonry, concrete, rubbers and plastics. Bonding, sealing and assembly where a noncorrosive sealant is required. Offered in a 10.1oz cartridge in Black, White or Gray color.

    Starting at: $8.90

  9. RTV 738 Dow Corning® 738 Electrical Sealant

    RTV 738 Dow Corning® 738 Electrical Sealant

    Product #:RTV738W4GRTV738W100RTV738W30

    Bonding and sealing. Offered in a 3oz tube, 10.1oz cartridge or 4 gallon pail.

    Starting at: $14.20

  10. RTV 1890 Dow Corning® 1890 Protective Coating

    RTV 1890 Dow Corning® 1890 Protective Coating

    Product #:RTV18901GRTV18904G

    General purpose coating for protecting motors and electrical equipment; maintenance coating. Offered in a 1 gallon or 4 gallon pail.

    Starting at: $141.91

  11. RTV 737 Dow Corning® 737 Neutral Cure Sealant

    RTV 737 Dow Corning® 737 Neutral Cure Sealant

    Product #:RTV737C100RTV737C30RTV737B100RTV737C4GRTV737B4G

    Used in applications with continuous exposure to 260°C. General manufacturing assembly operations where quick cure and good adhesion are important. Offered in Clear or Black color and in a 3oz tube, 10.1oz cartridge or 4 gallon pail.

    Starting at: $4.46

  12. RTV 734 Dow Corning® 734 Flowable Sealant

    RTV 734 Dow Corning® 734 Flowable Sealant

    Product #:RTV734C30RTV734W30RTV734C100RTV734W100RTV734C4GRTV734W4G

    To fill voids, cracks, crevices; conformal coating for connections and battery terminals. Offered in a 3oz tube, 10.1oz cartridge or 4 gallon pail and Clear and White colors.

    Starting at: $9.69

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