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Trial Number 473

Trial Purpose:

To test nontoxic industrial cleaning solutions for oil removal

Date Run:

02/24/2009

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 10% 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
Sea wash      
  0.1187 0.0008 99.33
  0.0321 0.0095 70.40
  0.0426 0.0061 85.68
Simple Green      
  0.0951 0.0471 50.47
  0.0152 0.0022 85.53
  0.0365 0.0063 82.74
Micro 90      
  0.3525 0.1084 69.25
  0.0321 0.0081 74.77
  0.0778 0.0159 79.56
Sc Aircraft &Metal      
  0.0228 0.0088 61.40
  0.0392 0.0170 56.63
  0.0264 0.0196 25.76
Sky Gold 1000      
  0.0090 0.0028 68.89
  0.1455 0.0636 56.29
  0.3273 0.2574 21.36
Maxisolv      
  0.0351 0.0154 56.13
  0.2829 0.0612 78.37
  0.0755 0.0360 52.32
SWR One      
  0.0142 0.0014 90.14
  0.0188 0.0121 35.64
  0.0083 0.0040 51.81

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 over 85% of the Hucker's soil (all-purpose janitorial soil) from alloys using immersion cleaning.

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