To test nontoxic industrial cleaning solutions for oil removal
Date Run:
02/24/2009
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 10% 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
Sea wash
0.1187
0.0008
99.33
0.0321
0.0095
70.40
0.0426
0.0061
85.68
Simple Green
0.0951
0.0471
50.47
0.0152
0.0022
85.53
0.0365
0.0063
82.74
Micro 90
0.3525
0.1084
69.25
0.0321
0.0081
74.77
0.0778
0.0159
79.56
Sc Aircraft &Metal
0.0228
0.0088
61.40
0.0392
0.0170
56.63
0.0264
0.0196
25.76
Sky Gold 1000
0.0090
0.0028
68.89
0.1455
0.0636
56.29
0.3273
0.2574
21.36
Maxisolv
0.0351
0.0154
56.13
0.2829
0.0612
78.37
0.0755
0.0360
52.32
SWR One
0.0142
0.0014
90.14
0.0188
0.0121
35.64
0.0083
0.0040
51.81
Success Rating:
Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.
Conclusion:
One product removed over 85% of the Hucker's soil (all-purpose janitorial soil) from alloys using immersion cleaning.
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