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Trial Number 484

Trial Purpose:

To remove oil from painted steel surface

Date Run:

03/23/2009

Experiment Procedure:

Products were selected based on the compatibility of substrate and for removal of the contaminant. Ten percent concentrations were used and heated the samples at 130F. The coupons were immersed in a product for 5 minutes, rinsed in tap water at 120 F and dried using compressed air at room temperature.

Coupons were coated with the oil contaminant using a handheld swab and allowed to dry for 120 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
HD 34 Degreaser                         0.2692 0.2143 20.39
0.3242 0.1649 49.14
0.3099 0.294 5.13
       
Phosphoric Acid Cleaner #1                         0.1317 0.0208 84.21
0.1085 0.0069 93.64
0.0841 0.0011 98.69
       
Metal Bright                         0.0744 0.0109 85.35
0.1095 0.0381 65.21
0.2479 0.0455 81.65
       
Super Bio Wash                         0.1903 0.0509 73.25
0.2402 0.0847 64.74
0.106 0.0436 58.87
       
Tarksol HTF 50                         0.59 0.0725 87.71
0.4158 0.072 82.68
0.3244 0.1057 67.42
       
Safety First                         0.2648 0.0327 87.65
1.2514 0.0658 94.74
0.4097 0.1183 71.13
       
Element                         0.0936 0.0623 33.44
0.0464 0.0384 17.24
0.2644 0.1648 37.67
       
Inproclean 2500                         0.0321 0.0142 55.76
0.1875 0.0354 81.12
0.1565 0.009 94.25

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 more than 85% of the oil (92.18%) from stainless steel using immersion cleaning.

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