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Trial Number 7

Trial Purpose:

To evaluate successful cleaners on sixth cleaner.

Date Run:


Experiment Procedure:

The four successful cleaners from the previous trial were again diluted to 5% using DI water in 600 ml beakers and placed in a Crest 40 kHz ultrasonic tank model 4Ht 1014-6. Solutions were heated to 130 F.
Twelve preweighed coupons were coated with Milacron Cimperial 1070 and reweighed. Three coupons were immersed into each solution and cleaned for two minutes. The coupons were rinsed in tap water at 120 F for 30 seconds and dried using a Master Appliance Corp, Hot-air gun model HG-301A at 500 F for 1 minute. Final "clean" weights were recorded and efficiencies were calculated.

Trial Results:

Each solution removed all of the Cimperial 1070 from the steel coupons.  The contaminant caused the cleaning solutions to become cloudy, which could be a problem for treating the solutions after cleaning.  The table lists the effectiveness for each cleaner.

Cleaner Coupon 1 Coupon 2 Coupon 3 Average Std Dev
Inproclean 100 100.05 99.98 100.01 0.04
Daraclean 100.12 100.09 100.08 100.09 0.02
Green Stuff  100.05 100.12 100.11 100.1 0.04
Beyond 100.01 100.06 100.15 100.08 0.07

Success Rating:

Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.


All four were effective in removing the metal working fluid.  The next trial will evaluate the cleaners for removing the combination of MOAC and the additives.

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