To evaluate aqueous alternatives using ultrasonic energy on second supplied contaminant.
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 rust preventative 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:
All six products removed more than 85% of the rust preventative, five of which removed more than 97%. 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
0.2113
0.0024
98.86
0.1915
0.0065
96.61
0.1883
0.0083
95.59
Aquavantage 1400 GD
0.2512
0.0046
98.17
0.2158
0.0040
98.15
0.2592
-0.0037
101.43
Shopmaster HP
0.2616
0.0286
89.07
0.2433
0.0361
85.16
0.2283
0.0221
90.32
Inproclean 3800
0.2791
0.0065
97.67
0.2603
-0.0034
101.31
0.2445
0.0022
99.10
Bio T 300 B
0.2305
0.0188
91.84
0.2645
-0.0003
100.11
0.2121
0.0044
97.93
SC Aircraft & Metal Cleaner
0.2868
0.0040
98.61
0.2760
-0.0033
101.20
0.2607
-0.0005
100.19
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
All six will be evaluated next on the supplied grinding fluid.
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