To evaluate aqueous cleaners for wax removal using ultrasonic cleaning.
Date Run:
09/17/2009
Experiment Procedure:
The same ten products were used again at the same temperature and concentrations. Products were degassed for 5 minutes prior to cleaning. The coupons that were used in the immersion cleaning were reused for the ultrasonic testing. (Therefore, coupons were soaked for 5 minutes and then cleaned with ultrasonics for another 5 minutes). Cleaning was followed with a tap water rinse at 120 F for 15 seconds and dried using compressed air at room temperature for 30 seconds. Final weights were measured and efficiencies calculated.
Trial Results:
Several of the aqueous products were effective at removing the wax from the glass coupons using ultrasonic energy. Two products (one being the supplied product) removed more than 98% of the wax in less than the five minutes. The table lists the amount of wax left after the initial 5-minute soak, the amount remaining after the 5 minutes of ultrasonic cleaning and the efficiencies for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
SC Aircraft & Metal cleaner
0.3360
0.1789
46.76
0.4463
0.2650
40.62
0.3186
0.1527
52.07
Texolite 1734 XL
0.3165
0.2574
18.67
0.3843
0.3672
4.45
0.4648
0.3759
19.13
Amber clean L12
0.8293
0.3419
58.77
0.9227
0.3323
63.99
0.5594
0.1076
80.77
Amber clean Q3
0.7608
0.3820
49.79
0.6961
0.3712
46.67
1.0899
0.6595
39.49
Micro 90
0.5877
0.0637
89.16
0.7591
0.1486
80.42
0.9224
0.3046
66.98
Inproclean 3800
0.5201
0.0061
98.83
0.4639
-0.0004
100.09
0.4326
0.0100
97.69
SC 1000
1.2507
0.3213
74.31
1.0166
0.2812
72.34
1.1821
0.3900
67.01
Polychem 2000 P
1.2878
0.0997
92.26
0.9644
0.2063
78.61
0.9168
0.1095
88.06
Valtron SP2200
0.6067
0.0079
98.70
0.7216
0.0001
99.99
1.1765
0.0115
99.02
Contrad 70
0.1546
-0.0006
100.39
0.0614
-0.0004
100.65
0.0020
0.0000
100.00
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The top performing products will be tested at higher temperatures in addition to ultrasonic cleaning. Concentration may be another variable to modify to improve efficiency.
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