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Trial Number 438

Trial Purpose:

Removing containiments off of aluminum surfaces using non toxic cleaning products.

Date Run:

04/03/2008

Experiment Procedure:

Basic cleaning performance testing was conducted using ASTM G122 as the bases for cleaning. 

Products were based on the compatibility of substrate and removal of foreign substance. Used 5% concentration and heated the samples at 135F. The 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 hours 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
california parts washer solution      
  0.4668 0.0425 90.90
  0.8404 0.0089 98.94
  0.6322 0.0047 99.26
valtron sp 2275      
  0.9311 0.0819 91.20
  1.2387 0.0318 97.44
  0.7988 0.0760 90.49
shopmaster LPH      
  0.8495 0.0966 88.63
  0.7932 0.0876 88.96
  0.9868 0.0805 91.84
sea wash blue      
  0.8015 0.0123 98.47
  0.9927 0.0095 99.04
  0.8976 0.0212 97.64
sc aircraft and metal cleaner      
  0.9623 0.0551 94.27
  0.5892 0.0363 93.84
  0.704 0.0203 97.12
nab 9000      
  0.9941 0.0640 93.56
  0.8911 0.0672 92.46
  0.8450 0.0714 91.55

Success Rating:

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

Conclusion:

All the products tested has passed the contaminant removal rate of 85% or better.

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