Full Description

ENVIRONMENTAL ISSUES ARE CREATING PRESSURE TO REASSESS CHEMICALS USED IN THE MANUFACTURING PROCESS, INCLUDING CFC AND CHLORINATED SOLVENTS USED IN CLEANING. REPLACEMENTS FOR CONVENTIONAL CLEANING SOLVENTS INCLUDE AQUEOUS AND SEMI-AQUEOUS MATERIALS. AQUEOUS CLEANERS GENERALLY ARE DEFINED AS POLAR, WATER-BASED CHEMICALS BASED ON INORGANIC COMPONENTS. SEMI-AQUEOUS MATERIALS ARE NONFLAMMABLE, NONCHLORINATED HYDROCARBONS HAVING NONPOLAR ORGANIC PROPERTIES. THESE MATERIALS ARE RINSED IN WATER, THUS DERIVING THE TERM SEMI-AQUEOUS. THIS PAPER EXPLORES THE PROCESS AND EQUIPMENT REQUIREMENTS OF THESE TWO CHEMISTRIES, AND EXPLAINS THE METHOD FOR DETERMINING THE BEST CLEANING SYSTEM.

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Published: 06/01/1990 Number of Pages: 15 File Size: 1 file , 680 KB