Mergal K12N Troy Preservatives / Biocides / Fungicides ADHESIVE SEALANT Mergal K12N Mergal K12N is a dual active approach to protection. The product allows a reduction in the level of CMIT/MIT needed while simultaneously providing faster sanitation and more resilient protection to sealants, pigment slurries, starch solution, adhesives, and emulsions including polymers containing residual redox agents. Mergal K12N meets the requirements of U.S. FDA CFR 21 Sections 175.105, 176.170. Bactericide. Allows reduction in the level of CMIT/MIT needed. Provides faster sanitation and more resilient protection to sealants, and adhesives.