To evaluate effective products on supplied contaminants using heated immersion cleaning.
Date Run:
09/24/2008
Experiment Procedure:
Six products were selected from the previous trial based on success on removing the three supplied soils using ultrasonic cleaning. Three products were diluted to 5% using DI water in 400 ml beakers. The other three were used at full strength based on vendor recommendations. Beakers were heated to 130 F on a hot plate. Eighteen preweighed steel coupons were coated with the rust preventative VCI 369 using a hand held swab. Coupons were weighed again to determine the amount of soil added. Three coupons were cleaned in each solution for 10 minutes using stir bar agitation. Coupons were rinsed for 15 seconds in tap water at 120 F and dried using compressed air at room temperature for 30 seconds. Final weights were recorded and efficiencies calculated.
Trial Results:
Only two of the products removed over 85% of the VCI 369 in 10 minutes of immersion cleaning. Two other products removed about 70% and the last two removed under 50%. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Aquavantage 1400 GD
0.1827
0.0569
68.86
0.1608
0.0547
65.98
0.2647
0.0738
72.12
Grease Feast
0.1912
0.0390
79.60
0.1244
0.0433
65.19
0.2118
0.0343
83.81
SC Aircraft & Metal Cleaner
0.1518
0.1016
33.07
0.1828
0.0820
55.14
0.2148
0.1145
46.69
SC MaxiSolve
0.3574
0.1281
64.16
0.1716
0.1138
33.68
0.1801
0.1172
34.93
Smart Solve 605
0.1118
0.0191
82.92
0.1940
0.0162
91.65
0.2587
0.0154
94.05
Bean-e-doo
0.1882
0.0024
98.72
0.1248
0.0095
92.39
0.2969
0.0028
99.06
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The two effective products will be evaluated on VCI 368 using heated immersion cleaning.
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