TM Smart Gel Components A and B (AFCO 5547) are an intelligent color indicator system based on patented persulfate technologies. This notified technology dissolves organic deposits like proteins, fats, saccharides, aromas, phenol compounds, and oxalates by means of oxidation by hydroxyl radicals. It can also be used to detect organic deposits in pipe systems, tanks, heat exchangers, or filling lines by means of a color indication system.