To evaluate aqueous alternatives on supplied lubricant using ultrasonic cleaning.
Date Run:
08/08/2008
Experiment Procedure:
Five products from previous trials were selected for testing. Four of the products were diluted to 20% and the fifth product was diluted to 5%. Products were heated to 130 F and immersed in a Branson 40 kHz ultrasonic tank and degassed for at least five minutes. Fifteen preweighed coupons were coated with the supplied Extreme Pressure Lube #3 using a handheld swab and weighed a second time to determine the amount of soil added. Three coupons were cleaned with ultrasonic energy for five minutes, rinsed in tap water for 15 seconds at 120 F and dried using compressed air at room temperature for 30 seconds. Final weights were recorded, and efficiencies calculated for each coupon cleaned.
Trial Results:
Two of the six products removed more than 80% of the rust preventative. Three removed less than 75%. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Shopmaster LpH
0.4876
0.1652
66.12
0.4722
0.1540
67.39
0.5005
0.0569
88.63
Aquavantage 1400 GD
0.3284
0.0212
93.54
0.4346
0.0167
96.16
0.4727
0.1955
58.64
Inproclean 3800
0.4658
0.1424
69.43
0.4484
0.1422
68.29
0.5797
0.2482
57.18
Bio T 300 B
0.3805
0.0285
92.51
0.4506
0.0475
89.46
0.5586
0.0467
91.64
SC Aircraft & Metal Cleaner
0.5761
0.1339
76.76
0.5621
0.0688
87.76
0.6420
0.3889
39.42
Success Rating:
Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.
Conclusion:
Two products were found to be effective on all four contaminants when used with ultrasonic energy.
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