Circuposit??2200 Plus is designed for both horizontal and vertical processing of innerlayers.Circubond? 140 cleaner is a low-foaming alkaline-spray cleaner, designed for use prior to treatment with?Circubond? etchant.?Circubond? Pre-Dip 2217 solution is designed to provide a surface compatible with the?Circubond? Treatment 2218 etch bath. The solution also protects the?Circubond? Treatment 2218 etch bath from drag-in of contaminants.?Circubond? Treatment 2218 etch is peroxide-sulfuric-based and formulated to produce a uniform, highly-textured and passivated surface coating on copper innerlayers.