Tectyl® 121B


A solvent cutback, thixotropic corrosion preventive compound suitable for complete undercoating for transportation equipment. The cured film is firm, black, resilient, abrasion resistant, and provides sound deadening. Approved under Federal Specification TT-C-520B.

Key Features

  • Ideal for complete undercoating of transportation equipment
  • Provides superior sound deadening
  • Easy clean up with solvent-borne thinner, vapor degreasing, hot alkaline wash, or low pressure steam
  • Federal Specification TT-C-520B


This product meets appropriate performance criteria as specified by the organizations listed below.   Information regarding these specifications can be found in the information above, or included in the Product Information Sheet also found above.


Tectyl® industrial coatings offer superior corrosion resistance and sound deadening solutions to the transportation, marine and industrial markets.

Success Story


The global leader in elevator manufacturing was experiencing rusted guide rails before installation, costing valuable time as this situation required the removal of corrosion before installation.

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