- Tank Chime Sealing System

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The VISCOTAQ Chime Sealant System is based upon the use of Viscotaq EZ Wrap in combination with the VISCOTAQ ViscoSealant. VISCOTAQ is a viscous elastic synthetic material that remains flexible and tacky during its entire life. Since the floor plate of a tank is constantly moving during the filling and emptying process, flexibility and aggressive adhesion is of utmost importance. The VISCOTAQ Chime Sealant System is used to prevent water infiltration at the concrete ring wall interface of the tank, a place where corrosion normally occurs. The VISCOTAQ Chime Sealant System can be installed on new and existing facilities. The system can be painted immediately after installation and does not interfere with any future paint, inspection and maintenance programs according to API 653.

  • Remove any loose particles, hand tool clean to minimum of ST2/SSPC-SP2
  • Clean chime surface and concrete ring with compressed air
  • Wipe down area to be coated with Dentatured alcohol or acetone
  • Apply the VISCOSEALANT minimum 1 inch deep into annular space between steel and concrete ring
  • Use a putty knife to smoothen VISCOSEALANT and make sure no air pockets are present
  • Apply VISCOTAQ EZ Wrap from the floor wall weld (butt up against the weld) to the concrete ring
  • Allow for ≥2” overlap on concrete ring
  • Use a seam roller to press the VISCOTAQ EZ Wrap
  • Product can be painted immediately

  • Easy to apply
  • Permanent flexibility
  • Permanent adhesion
  • SP 2 cleaning
  • Long term protection
  • Non toxic
  • Weather/salt resistant freeze/thaw resistant
  • Up to 160° F
  • Patented technology
  • Cold applied
  • Environmental friendly
  • No primers
  • UV RESISTANT
  • Molds and forms easily
  • Manufactured under ISO9001 standards
  • Made in the USA
  • No curing time
  • Tested to latest ASTM and ISO standards

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