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To test nontoxic industrial cleaning solutions for oil removal.
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 motor oil. 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.
|Cleaner||Initial wt||Final wt||% Removed|
|Brulin Corporation Formula 815MXAA|
|Chem Free Corporation SW6 Metals degreasing solution|
|A1 Hydro Parke Hill Chemical SW Wash 10 aircraft cleaner|
|Brulin Corporation Aqua Safe|
Success Rating:Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.
From the given concentration of 5 percent none of the products has surpassed the passing rate of 85 percent removal rate. But there are 4 products out of the five that were tested that show promise of oil removal if the concentration was increased.