Specification :

Hexamine is used in rubber and textile adhesives, in paints and lacquers, in the photographic industry, in the production of explosives such as RDX and Hexanite, as a corrosion inhibitor, as a protein modifier, as a reagent in chemical analysis, and in the production of deodorants and hair fixers, among many other uses.
and As a food additive, hexamine is used as a preservative in cheeses. It has E number E239. In some countries it is banned for this use