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Toxics Use Reduction Institute · Surface Solutions Laboratory
 
Toxics Use Reduction Institute




Surface Solutions Laboratory

Trial Report



Trial Number 453

(Client Number 153, Project Number 1)

Trial Purpose: To remove cutting fluid from stainless steel using immersion cleaning.

Date Run: 09/18/08

Experiment Procedure:
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 Citgo cutting fluid 205 . Using a handheld swab and allowed to dry for 24 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
Two products was able to reach the 85% or over effective rate while the other 5 failed to reach this success goal. 
The Table lists the amount of soil added, the amount remaining and the calculated efficiency for each coupon cleaned.
Cleaner Initial wt   Final wt     % Removed
hurrisafe 9100 paint prep                        
        0.0767        0.0308        59.84
        0.1712        0.0303        82.30
        0.1287        0.0252        80.42
formula 815MX AA                        
        0.0579        0.0267        53.89
        0.1095        0.0267        75.62
        0.1716        0.0309        81.99
Heavyweight                        
        0.1395        0.0290        79.21
        0.1930        0.0309        83.99
        0.0938        0.0286        69.51
BG Clean 648                        
        0.0676        0.0288        57.40
        0.0507        0.0292        42.41
        0.1949        0.0248        87.28
SW6 Metals degreasing solution                        
        0.1304        0.0304        76.69
        0.1667        0.0321        80.74
        0.2079        0.0309        85.14
SW Wash 10 Aircraft Cleaner                        
        0.2990        0.0294        90.17
        0.2963        0.0251        91.53
        0.2177        0.0264        87.87
Aqua safe                        
        0.3048        0.0263        91.37
        0.2470        0.0266        89.23
        0.3297        0.0274        91.69


Success Rating
Lab evaluation based on vendor data.

Conclusion
SW6 Metals degreasing solution from Chem free corporation and SW Wash 10 Aircraft Cleaner from A1 Hydro parke Hill Chemical has passed the acceptable rate of 85 or higher percent.