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Hot alkaline aqueous ultrasonic cleaning is a staple of the metal working industry. Typically parts would be pre-cleaned by vapor degreasing, where practical as size permits, prior to hot alkaline cleaning. MicroGroup runs parts through programmable cleaning cycles to ensure consistent processing in critical applications. Rinsing is achieved through twin cascading deionized rinse tanks also with PLC-controlled actuation of the ultrasonic cycle. Each actuation of final rinse cycle pumps fresh
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deionized water into the final rinse tank for a programmed time. The deionized water is heated through a 50-amp induction water heater to ensure no drop in rinse temperature.
Rinse water is additionally maintained by measuring conductivity. While every application has different requirements, MicroGroup is capable of producing final rinse values of less than 50µS for most applications.
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