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Trial Number 487

Trial Purpose:

To remove grease from painted steel surface 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 grease 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  0.6872 0.1721 74.96
0.1406 0.1055 24.96
0.1601 0.0955 40.35
       
Citranox   0.1146 0.0177 84.55
0.0894 0.0277 69.02
0.0619 0.0048 92.25
       
Coil Bright     0.2099 -0.0001 100.05
0.1715 0.0535 68.8
0.0893 0.0011 98.77
       
 Soy Strong                         0.1577 0.0262 83.39
0.1232 0.0035 97.16
0.1391 -0.0002 100.14
       
Inproclean 3800                         0.051 0.0255 50
0.0696 0.0143 79.45
0.0858 -0.0017 101.98
       
Graffiti Remover                         0.1525 0.0869 43.02
0.1801 0.0991 44.98
0.0812 0.055 32.27
       
 Metal Bright                         0.125 0.0213 82.96
0.0832 0.0254 69.47
0.1719 0.0998 41.94
       
Phosphoric Acid Cleaner #1                          0.1032 0.0089 91.38
0.0852 0.0092 89.2
0.226 0.0537 76.24

Success Rating:

Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.

Conclusion:

Three of the eight products removed more than 85% of the grease from painted steel using immersion cleaning.

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