Tectyl® 121B
Description
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
Approvals
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.

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