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Trial Number 483

Trial Purpose:

To remove resin from stainless steel using immersion cleaning.

Date Run:

03/12/2009

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  0.3863 0.478 -23.74
0.3291 0.317 3.68
0.1508 0.1678 -11.27
       
Citranox 0.1035 0.1057 -2.13
0.0734 0.0725 1.23
0.3246 0.2238 31.05
       
Coil Bright 0.6307 0.4101 34.98
0.6348 0.5705 10.13
0.0632 0.0332 47.47
       
Soy Strong 0.0296 0.0326 -10.14
0.0423 0.0435 -2.84
0.0459 0.0451 1.74
       
Inproclean 3800 0.043 0.032 25.58
0.0285 0.0289 -1.4
0.0441 0.0387 12.24
       
Graffiti Remover 0.0492 0.0536 -8.94
0.4053 0.2944 27.36
0.1364 0.1273 6.67
       
 Metal Bright                         0.0898 0.0765 14.81
0.0692 0.0431 37.72
0.2278 0.0446 80.42
       
Phosphoric Acid Cleaner #1                          0.08 0.0841 -5.12
0.1087 0.1079 0.74
0.2675 0.2524 5.64

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 resin from stainless steel using immersion cleaning.

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