... system cleaner remove scale, rust, oil paint, and the organic impurity passivate parent metal Centre air condition system cleaner ... XYLP7000To remove scale, rust, oil paint, and the organic impurityPassivate the surface of carbon steel and copper, and protect ... non-ferrous components, sediment etc .The products should be used according to the recommended method by our company.Pakage:XYLP7000 is ...