To evaluate aqueous alternatives using ultrasonic cleaning
Date Run:
08/07/2008
Experiment Procedure:
Six products from previous trials were selected for testing. Five of the products were diluted to 20% and the sixth 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. Eighteen preweighed coupons were coated with the supplied cutting fluid 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:
Five of the six products removed more than 85% of the oil in the five minutes of cleaning. The last product removed 80%. 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
0.1368
0.0234
82.89
0.2761
0.0159
94.24
0.2485
0.0171
93.12
Aquavantage 1400 GD
0.2711
0.0024
99.11
0.3318
0.0013
99.61
0.4337
0.0017
99.61
Shopmaster HP
0.3196
0.0404
87.36
0.3563
0.0439
87.68
0.3455
0.0447
87.06
Inproclean 3800
0.4706
0.0020
99.58
0.3914
-0.0041
101.05
0.3043
-0.0008
100.26
Bio T 300 B
0.2473
0.0597
75.86
0.3007
0.0518
82.77
0.3603
0.0604
83.24
SC Aircraft & Metal Cleaner
0.4117
0.0107
97.40
0.2978
0.0547
81.63
1.3744
0.0217
98.42
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
The same products will be evaluated on the second supplied contaminant following the same conditions.
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