AK225 is 100% HCFC-225. Completely non-flammable and safe on metals and plastics, the straight AK225 is an excellent solvent for metal degreasing. Vapor degreasing with AK225 offers superior cleaning on videoheads, reflector glasses for laser printers, scanners and other equipment that requires optimal cleanliness. AK225 Neat is 100% HCFC-225. Safe on metals and plastics, the straight AK225 is an excellent solvent for metal degreasing.