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




Surface Solutions Laboratory

Trial Report



Trial Number 479

(Client Number 153, Project Number 1)

Trial Purpose: To remove buffing compound from aluminum using immersion cleaning.

Date Run: 02/25/09

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 buffing compound 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
Cleaner #10                        
        0.0883        0.0750        15.06
        0.0693        0.0350        49.49
        0.1100        0.1000         9.09
Green Works All Purpose                
        0.0323        0.0306         5.26
        0.0601        0.0565         5.99
        0.0361        0.0332         8.03
Heavy Duty Cleaner                        
        0.0695        0.0649         6.62
        0.1183        0.1000        15.47
        0.1135        0.0754        33.57
Clorox Kitchen Cleaner                        
        0.0440        0.0268        39.09
        0.0963        0.0385        60.02
        0.0996        0.0780        21.69


Success Rating
Lab evaluation based on vendor data.

Conclusion
No product removed over 85% of the buffing compound from the aluminum coupons using immersion cleaning.