there is another process on the market which can make ur customers life a little easier - manufactured by Atotech - called PD-TECH. PD - TECH is an electroless palladium process - copper will not difuse through palldium - excellent solderability - won' t oxidize or tarnish and can be processed in dip tank like electroless copper or in conveyorized system. should u require more info u can e-mail me back - or call 905-332-0111 regards rick fudalewski [log in to unmask]