Project #1
To eliminate TCE and reduce Acetone.
02/09/2004
Medical devices/tools, hermetic seals, electronic packages
small to medium
Medium
assembly, received from vendors
plating, packaging, furnace
lots
many
Trichloroethylene, Acetone, Methanol, Liqui-Nox
1-20 minutes
Uses hazardous solvents
To remove processing fluids, fingerprints
Acetone displacement
On shelf, can be under N2
No relation
Priority order: Wax, Lacquer, Grease, Red Dye, Yellow Dye
Testing was conducted over a one-month period on five contaminants using two forms of mechanical energy. An attempt was made during the evaluations to identify a product that could be used on all of the contaminants. Despite this effort, a single solution was not identified. However, six products were found to work on two or more of the contaminants. The wax was the only contaminant that was not cleanable by any of the products that were successful on the other four contaminants. Metabolix E3HB was the only product capable of cleaning four of the contaminants. The Vertec Bio Solvents Ink Zapper was successful on three contaminants but was not tested on the grease (not enough grease to test). Company called to update lab that one product, Metabolix E3HB, was going to be piloted for the removal of the Microshield Stop Off contaminant.