WINKEL ALUMINUM CLEANER All metal including aluminum and stainless ready-to-use cleaning, maintenance and polishing material. Stain formation on surfaces delays. Cooler not in direct contact with food Use for equipment and other surfaces. Properties; It is used for cleaning and polishing all aluminum surfaces. It is in liquid position and no thinner is used. Usage areas; It is used wherever aluminum surfaces, especially workpieces, require polishing and cleaning.