Crossco® Coil Cleaner X20™ is a mixture of phosphoric, hydrofluoric and other acids and detergents designed to remove soil build-up with minimal time and effort. Use to remove oxidized coat from aluminum, copper and other metals from air conditioner coils, refrigeration equipment and other metallic surfaces.
Available in: ¼ US GAL, 1 US GAL, 5 US GAL
For extremely soiled or carbonized surfaces: Clean surfaces. Apply product undiluted and brush if necessary. Allow product to penetrate for 5 minutes and rinse with water.
For lightly soiled surfaces: The product needs to be dilute with 5 to 20 parts of water. Allow product to penetrate for 5 minutes and rinse with water.