Promoclean Disper 15 has an Aeropace qualification to degrease landing gear parts made from 300 DM and other steel qualities. When adding as little as 0,1% of Promoclean Disper 15 in the rinsing tank, it will also provides  a temporary protection against corrosion . This assures that the metal part stays well preserved, while waiting to be transferred to the Chrome and Cadmium  deposition process.

Main advantage is that you only need 1 product to clean and to protect.