Parts were cleaned with various oils  in 9 minutes, parts with buffing compounds displayed excellent results. Parts were rinsed, dried, and buffed to determine whether a rinse was needed.

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Major Concern: Oil was determined not emulsify in other tests and could be a problem. After cleaning 20 different types of parts with various contaminants, oil was added to the ultrasonic cleaning tank than that lead to 20 more parts being cleaned. Oil completely emulsified , tank cooled and there was no oil on the bottom of the tank, which resulted to only about 1 - 2 ounces of oil falling out 16 hours later hen the tank was drained.

Effluent was recycled and was used to clean the sample production run at 165 °F.

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Production: 10 7.5" x 1" disks with drawing oil were placed in a basket to be cleaned ultrasonically, examined, sprayed lightly, and then cleaned ultrasonically again. Then there were sprayed with tap water and rinsed in RO water. Then the parts were blown dry with hot air.

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Parts can be cleaned in 8-9 minutes. Pre-rinsing is recommended and the Infinitex ultrafiltration unit that OCS recommends is the Infinitex Splitter XD. It will process 300 gallons per 24 hour a day. The ultrafilter (optional nano membranes) will reuse the pre-rinse water and make RO water for the ultrasonic rinse.  

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