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RE: Replacement for MEK

I'm copying your question to <mailto:printech@great-lakes.net>. If not
subscribed to printech, you may wish to check it out or explore the Printers
National Environmental Assistance Center (PNEAC) at <http://www.pneac.org/>
Like p2tech, there is a searchable archive.
	-----Original Message-----
	From: Tammy Allen [mailto:tallen@co.pinellas.fl.us]
	Sent: Wednesday, January 09, 2002 10:31 AM
	To: p2tech@great-lakes.net
	Subject: Replacement for MEK
	Can anyone identify a potential alternative cleaning solvent for MEK
in the following application: 
	A facility is trying to eliminate the use of MEK in cleaning, but
has hit a snag in their screen cleaning (screen printing). The inks they use
are MEK-based and cannot be changed currently due to their government
customer specs. The MEK is wiped on an 8x8 screen. So far, they tried ethyl
acetate, but it dissolved the PVA in the screen. Now they are trying
acetone, but the employees complain of smell and health hazards. Any
suggestions on a solvent that is safe and could quickly remove an MEK-based
ink without hurting PVA-based materials? 
	Thank you for any assistance, 
	Tammy L. Allen
	Senior Environmental Specialist
	Pinellas County Environmental Management
	512 S. Ft. Harrison Ave.
	Clearwater, FL 33763 
	(727) 464-4761
	Fax (727) 464-3174 
	e-mail: tallen@co.pinellas.fl.us <mailto:tallen@co.pinellas.fl.us>