Advanced Aqueous Cleaning Systems International
*Ultra Filtration *Ultrasonic Cleaning
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Industrial Parts Washers
& Aqueous Cleaning Systems
The Experts in Aqueous Cleaning Systems
Aircraft Oxygen Regulators
Parts
These parts are cast aluminum, stainless steel and brass. They have some tight recesses and holes.
The parts are a variety of shapes and intricacies.
Contaminants
Dirt, grease, silicone sealant, and paint
Equipment
Sonicor model ultrasonic, ultrasonic wash, spray rinse, ultrasonic rinse, and hot air dry
Chemistries/Solutions Used
Optimum Cleaning Systems Ultrasonic Cleaner at a 10:1 diluted ratio, heated to 150°F, OCS R-1001 solvent, and RO water heated to 155°F
Testing
5 tests were completed, parts were being inspected under black light before being cleaned, some parts (valves) had sealants on the threads, and other parts had adhesives or paint. Parts were cleaned in a 2 step process in the ultrasonic and then rinsed and dried. Most sealants and paints were removed.
Conclusion
Because paint can be removed and some of the sealants need to have a solvent to loosen them prior to cleaning and is recommended to have a 5 tank system.
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Soak tank
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Ultrasonic wash tank
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Spray rinse
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Ultrasonic rinse
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Dry chamber