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To evaluate the removal of grease on aluminum coupons using unheated immersion for 15 minutes. *test*
Four of eight cleaning products were diluted with tap water at room temperature to vendor recommended concentration. Three cleaning products were used at the recommended 100% dilution and the solvent option was also used at 100% for industrial testing; all cleaners and solutions were measured for 200 mL. Pre-weighed aluminum coupons were coated over 1/3 of the coupon with grease that has been provided by the company by using a metal spatula; three coupons were used for each cleaner/solvent. They were allowed a 24-hour dry time at room temperature; their dirty weights were recorded. The coupons were immersed in the cleaners/solvents at room temperature for 15 minutes then were taken out and places on trays with paper towels; they were left to dry for 24 hours. Final weights and observations were recorded and evaluated.
Visual observation showed no removal from coupon. No grease left in cleaner/solution.
|Solvent/Cleaner||initial weight of soil||final weight of soil||% Removal||Average|
|Dimethyl Glutarate 100%||0.4954||0.4875||1.59||-0.49|
|Micro 90 1%||0.6921||0.6751||2.46||1.77|
|Smart Solve 100%||0.8242||1.1521||-39.78||-42.68|
|Ozzy Juice 3 100%||0.7037||0.7073||-0.51||0.48|
Success Rating:Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.
No cleaners showed removal of grease from aluminum substrate, the next steps are to add additional time and check effectiveness. Rinse step should be evaluated for cleaners that were wet after 24-hour dry time.