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RTV Sealants

Room Temperature Vulcanizing Silicone- widely known as RTV silicone is a type of silicone rubber made from a two component system (base + curative) available in very soft to medium range hardness. RTV silicone rubber reproduces fine details and is suitable for a variety of industrial applications including Engine Electronics Potting and Engine Gasketing.

RTV Silicones are used for their ability to withstand stress and extreme temperature. Polyrub RTV Silicone is made with high standard meeting extreme requirements of Automobile Gasketing. Polyrub RTV Silicone is loaded with all the necessary features expected of a high performance RTV silicone which are:

  • Light viscosity and food flow ability
  • Low shrinkage
  • No deformation
  • High temperature resistant
  • Acid and alkaline resistant
  • Ageing resistant
  • Favorable tension and hardness
  • Ease of operation

RTV Silicone reproduces exactly the surface texture of the original model. The surface of the original to be molded must be finished; all faults must be removed and it must be sanded or polished to the desired smoothness. If a smooth finish on the final casting is desired, the original must be polished.