A highly acidic liquid concentrate, META-CID AL is specially formulated for use in the pretreatment cycle of aluminum alloys. It is an excellent mild etch for aluminum and aluminum alloys prior to electroless nickel, anodizing, welding or applying chemical conversion coatings. It’s very uniform, controlled etching action produces a brighter, cleaner surface and has minimal effect on the dimensions of the work. META-CID AL, with its excellent deep-recess penetration and its long life, cleans hard-to-get-at places and holds soil in suspension in the bath at high capacities, which reduces or virtually eliminates smut formation on the work. META-CID AL is especially effective on difficult-to-plate alloys, particularly those rich in magnesium. It is ideal for high finish aluminum surfaces because it does not appreciably change the appearance of polished aluminum.
