BONDERITE C-AK AVIATION AERO BONDERITE C-AK AVIATION AERO, hot spray and immersion cleaner BONDERITE® C-AK AVIATION AERO ALKALINE CLEANER is a white granulated alkaline compound formulated for the removal of mill inks, oils, shop soils and other difficult-to-remove soils from aluminum, steel, copper, magnesium, cadmium and nickel alloys. BONDERITE C-AK AVIATION AERO ALKALINE CLEANER is formulated to be used in spray or immersion systems. It rinses quickly and freely.