BONDERITE® M-CR 600 AERO (known as ALODINE 600) is a powdered chemical used to produce a chromate conversion coating on aluminum and its alloys, which ranges in color from light, iridescent gold to tan. It can be applied by immersion, spray, or brush method, does not contain complex cyanides, and is particularly recommended where a low electrical resistance coating is desired. It is an approved material of QPL-81706, Classes 1A (A) and 3 (B), Methods A, B, C. Being on the QPL-81706 allows for use of BONDERITE M-CR 600 AERO (known as ALODINE 600) on parts that need to meet MIL-DTL-5541 coatings. BONDERITE M-CR 600 AERO (known as ALODINE 600) is a hexavalent chrome conversion coating which meets the requirements of MIL-DTL-81706, Type I, Classes 1A (A) and 3 (B), Methods A, B, C. It is also listed on the QPL for MIL-DTL-81706 BONDERITE M-CR 600 AERO (known as ALODINE 600) is authorized for use on parts that need to meet MIL-DTL-5541 coatings.