BONDERITE M-CR 1200S AERO Known as ALODINE 1200S class 1A and 3, MIL-DTL-81706B Aerospace Metal Pre-treatment High Efficiency Powder Coating Powder Paint Services BONDERITE® M-CR 1200S AERO is a powdered chemical used to produce a protectivecoating on aluminum which minimizes corrosion and provides an improved bond for paint. Surfaces treated with the BONDERITE M-CR 1200S AERO process range in color from a light iridescent golden to tan