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Trial Number 486

Trial Purpose:

To remove oil from painted steel using immersion cleaning

Date Run:

03/24/2009

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 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
Shopmaster  0.1741 0.1555 10.68
0.29 0.1781 38.59
0.5014 0.0778 84.48
       
Citranox   0.2469 0.0869 64.8
0.2049 0.1754 14.4
0.1287 0.0887 31.08
       
Coil Bright     0.1639 0.1159 29.29
0.2923 0.1619 44.61
0.1467 0.1181 19.5
       
 Soy Strong                         0.2716 0.1575 42.01
0.1774 0.0985 44.48
0.1249 0.0472 62.21
       
Inproclean 3800                         0.5203 0.1289 75.23
1.5274 0.0842 94.49
0.1341 0.0659 50.86
       
Graffiti Remover                         1.2119 0.1327 89.05
0.9179 0.2142 76.66
1.0591 0.188 82.25
       
 Metal Bright                         0.2171 0.1229 43.39
0.2842 0.1176 58.62
0.3945 0.1395 64.64
       
Phosphoric Acid Cleaner #1                          0.5959 0.1054 82.31
0.3677 0.1275 65.32
0.4277 0.1348 68.48

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 more than 85% of the oil from stainless using immersion cleaning.

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