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TYTAN O34 Neutral Cure Silicone is a primerless, Commercial Grade Neutral Cure Oxime formulated specifically for Window & Door applications and glazing. It utilizes TYTAN non-slump, non-shrink technology to establish excellent long term adhesion between substrates that will expand and contract as temperatures, climate, and conditions change. It is resistant to weathering, UV radiation, vibration, moisture and is non-corrosive, and abrasion-resistance. O34 provides an excellent elastic, durable and weatherproof seal for expansion joints, gaps and structural components such as concrete, wood, metal, vinyl, and plastic. With >TYTAN O34 Neutral Cure Siliconeyou can Build with Confidence!


  • Tool Time: 5 minutes
  • Tack Free Time: 5-10 minutes
  • Fully Cured: 4-5 days
  • Application Temperatures: 41°F-104°F
  • Working Temperature: -58°F-302°F
  • Storage conditions: 32°F - 77°F in a dry place
  • Shelf Life: 18 Months

Application instruction


  • Interior
  • Exterior
  • Window & Door
  • All-in-One

Surface Preparation

Surface area must be fully cured, dry, clean, and free of dust, oil, grease, debris, contaminants, or release agents that could interfere with proper adhesion. It is recommended to perform and evaluate preliminary adhesion and compatibility tests before use. For more information visit the “Try TYTAN” section of


Cut nozzle at 45° to desired bead size, insert in caulking gun and apply to desired area. Tool bead with moistened cloth and wipe off excess before it cures. For best results, tool immediately after applying for best adhesion and smooth finish before skinning occurs. Please see the technical specification for acceptable application temperatures and other technical information.

Technology Limitations

Neutral Cure Silicones are not recommended for continuous water immersion use and shouldn’t be applied in totally confined spaces where it is not exposed to atmospheric moisture. It is not paintable and should always be tested before use on sensitive materials like natural stones that may bleed oils or plasticizers. It should not be used on bituminous substrates.

Clean Up

Remove Sealant off gun and all tools before it cures. Use typical solvents such as Mineral Spirits or lacquer thinner (ethyl acetate, acetone) and let dry to prevent any damage. Cured sealant can be removed with sharp tools, using caution.


Keep out of the reach of children. Wear safety glasses with side shields. Direct contact with eyes may cause slight to moderate irritation. In case of eye contact, flush thoroughly with water for at least 15 minutes. Seek immediate medical attention. In case of skin contact, wash affected areas with soap and water. If irritation persists seek medical attention. Move to fresh air if inhalation causes discomfort. Refer to MSDS for further information.

If you are not happy with the products performance please call 855-44-TYTAN or contact us at

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