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RE: Epoxy Coating Removal



Jon,

Anything that would be less toxic for use in removal of this paint would
likely be, unfortunately, less effective.  A simpler alternative might be to
require that the supplier of the intake manifolds supply the part without
such an impervious coating.  This coating is not necessary for protection of
the polished surface.  proper packaging would eleviate the need for this
coating.  Just a thought...

Paul E. Stoughton
Product Design Engineer
JAE Oregon, Inc.
11555 SW Leveton Dr.
Tualatin, OR  97062
(503) 692-1333 ext. 215
pstough@jaeoregon.com

-----Original Message-----
From: Jon Hudson [mailto:jhudson@montana.edu]
Sent: Friday, December 15, 2000 9:54 AM
To: p2tech@great-lakes.net
Subject: Epoxy Coating Removal


Greetings and Happy Holidays to all P2 Techers -

We are working with a firm which remanufactures turbine engines.  The
aluminum alloy intakes of the engines are coated with a very tough epoxy
paint.  The current material used to remove the epoxy is Turco Transpo,
manufactured by Turco Products, Inc.  While very effective, this chemical
is extremely hazardous.  It is composed of approximately 10% cresol, 55%
dichloromethane, <1% Sodium chromate, and <5% sodium phenolate.

Does anyone know of a safer, less hazardous alternative?  Media blasting
is, unfortunately, not an alternative in this application.

Thanks for your assistance -

Jon Hudson
******************Montana P2 Program*******************

Jon Hudson
Pollution Prevention Technical Specialist
MSU Extension Service
Taylor Hall				(406) 994-3451
Box 173580				(fax) 994-5417
Bozeman, MT 59717-3580	      toll-free (888) MSU-6872

jhudson@montana.edu
http://www.montana.edu/wwwated

*******Pollution Prevention Makes Business Sense*******