The removal of rosin flux however, requires an addition of chemistry which one may or may not be allowed to drain. Additionally, partial pre-drain treatment of the effluent may be all that is required to meet allowable contaminant drainage levels. In conclusion, Aqueous cleaning technology is certainly not new to this industry, however its acceptance as a front-running technology has given many equipment manufacturers an incentive to design innovative new approaches to cleaning. Whether a batch aqueous cleaning system features forced spraying, spray under immersion, spin under immersion, or other innovative techniques yet to come, high quality, low cost cleanliness results can be achieved without the use of ozone depleting substances. Copyright 2000 Aqueous Technologies Corporation.
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