CHEMBON 100% RTV Silicone Sealant

CHEMBON 100% RTV Silicone sealant is a paste, one component material that cures to a tough, rubbery solid when exposed to moisture in the air. Since it will not flow under its own weight, it can be applied on sidewall joints and surfaces overhead without sagging, slumping or running off. It will adhere to clean metal, glass, most types of non-oily wood, vulcanized silicone rubber, silicone resins, natural and synthetic fibers, ceramic, paper, as well as many painted and plastic surfaces. However, paints do not adhere long term to this product.


  • COLORS - This product is available in are clear, white, black, blue, aluminum, hi temp red, translucent white, almond, bronze and yellow
  • TEMPERATURES - Silicone rubber offers both extreme low and high temperature resistance properties. It remains flexible to -60 deg C (-76 deg F) and although modulus increases, does not become brittle. These products will also withstand high temperatures up to +177 deg C (+350 deg F) during continuous operation, and up to +204 deg C (+400 deg F) for short periods. For extreme high temperatures, RED HI TEMP is recommended. This has a temperature range of +232 deg C (+450 deg F) for continuous operation, and +260 deg C (+500 deg F) for short periods
  • WEATHERABILITY - Because this material is 100% solids and contains no extenders or plasticizers, shrinkage due to weathering is negligible. Because of the chemical makeup, resistance to ultraviolet light and ozone is excellent
  • CHEMICAL RESISTANCE - This product offers good resistance to most solvents and oils, organic and inorganic chemicals; however, it is not recommended for continuous use with gasoline or fuel oil. Swelling or degradation may occur with these and certain other hydrocarbon materials. Chemical compatibility should be tested for each application considered


  • Adhering auto and appliance trim, including metal, fabric and fabric-backed plastics
  • Bonding gaskets in heating and refrigeration units
  • Sealing of marine cabins and windows
  • Filleting and caulking joints in sheet metal stacks, duct work, and equipment housings
  • Formed-in-place gaskets for engines, transmissions, differentials, gear boxes, compressors, pumps and all types of equipment and machinery
  • Sealing windows in oven doors and flues on gas appliances, flanged pipe joints and access doors
  • Anywhere a tight leakproof seal is required




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