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Trial Number 460

Trial Purpose:

To test nontoxic industrial cleaning solutions for oil removal

Date Run:

11/24/2008

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 5% 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
Warren Chemical Compa ny, Sea Wash 77      
  0.1794 0.0646 63.99
  0.5656 0.0870 84.62
  0.5122 0.1731 66.20
A1 Hydro Parke Hill, SW Wash 10      
  0.3957 0.0245 93.81
  0.4295 0.0714 83.38
  0.4371 0.0775 82.27
Kyzen Company, Metalnox CP30      
  0.3151 0.0837 73.44
  0.4564 0.0590 87.07
  0.1348 0.0213 84.20
Kyzen Company, Lonox 13302      
  0.7258 0.3062 57.81
  0.9183 0.0998 89.13
- 2.0812 0.0427 102.05
Brulin Corporation, Nonsilicated H TP      
  2.3856 0.0393 98.35
  1.4773 0.0232 98.43
  0.0939 0.0378 59.74
Brulin Corporation, Safety Strip 58     98.00
  0.2490 0.0050 97.99
  0.4646 0.1548 66.68
  0.0256 0.0052 79.69

Success Rating:

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

Conclusion:

Two products were successful in removing more than 85% of the oil from stainless steel using immersion cleaning.

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