John,
	If by Shadow you mean the graphite based direct plate system, you will go bust
if you scrub or pumice.
	Surface preparation is achieved during the micro etch process to remove Shadow 
from the copper surfaces. The boards are then rinsed and may be given an antitarnish 
treatment proir to oven dry. From there go straight into lamination.
	Bearing in mind that Shadow is a conveyorised you should be talking to 
Electrochemicals and ASI or FSL to get process and plant requirements.

	NO I AM NOT A SALESMAN, just a very satisfied Shadow user.


Roger Hammond

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