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CHEMGUARD F-304 is a highly concentrated, proprietary blend of CHEMGUARD fluorosurfactants. This “superconcentrate” has been designed to be used primarily for the formulation of high efficiency AFFF concentrates that meet the requirements of UL standard (UL 162) and US military specifications, such as Mil-F-24385F. It can be diluted directly with fresh (tap) water and appropriate amounts of hydrocarbon surfactants and solvents to manufacture AFFF’s (1, 3 and 6%). With a proper adjustment of the dilution ratio of CHEMGUARD F-304 to prepare the concentrate, one can also formulate AFFF products that can meet other specifications.