... and has been used in human and instrument sensitization and industrial applications, which include water treatment, paper and pulping, cooling tower ... and Application Methods:DDAC is widely use in pulp/paper, industrial water, waste water, cosmetics, personal cares, slurries, dispersed pigments, adhesives ... .0-9.0Free Amine1.0% maxHydrochloride3.0% max Didecyl Dimethyl Ammonium Chloride DDAC