To test nontoxic industrial cleaning solutions for oil removal
Date Run:
11/25/2008
Experiment Procedure:
Basic cleaning performance testing was conducted using ASTM G122 as the bases for cleaning.
Products were selected based on the compatibility of substrate and removal of foreign substance. Used 5% concentration and heated the samples at 135F. The steel coupons were immersed in a product for 5 minutes, rinsed for 30 seconds in tap water at 120F and dried in 30 seconds using compressed air is room temperature. Coupons were coated with used oil. Using a handheld swab and allowed to dry for 144 minutes at room temperature. The contaminated coupons were weighed again to determine the amount of soil added. After cleaning process, the final weights were recorded, efficiencies were calculated and recorded.
Trial Results:
Cleaner
Initial wt
Final wt
% Removed
SW 6
0.0625
0.0179
71.36
0.0516
0.0216
58.14
0.0410
0.0121
70.49
Metalnox M6410
0.0243
0.0119
51.03
0.0306
0.0152
50.33
0.0353
0.0190
46.18
Daraclean 203
0.0600
0.0247
58.83
0.0267
-0.0016
105.99
0.0382
0.0074
80.63
Daraclean 257
0.0447
0.0125
72.04
0.0600
0.0125
79.17
0.0384
0.0150
60.94
Metalnox M6432
1.1187
1.0446
6.62
0.0550
0.0090
83.64
0.0914
0.0088
90.37
Success Rating:
Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.
Conclusion:
No product removed over 85% of the tapping fluid using immersion cleaning.
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