BONDERITE^® M-AC ZL is an advanced metal conditioning agent previously known as FIXODINE ZL. It effectively prepares steel, aluminum, iron, and zinc alloy surfaces for phosphate coatings, promoting a dense, refined crystalline structure. This superior coating base provides exceptional adhesion and durability, protecting surfaces in corrosive environments. This concentrated liquid is pumpable and easily goes into solution or water systems for application using immersion or spray application.