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Project Number 1
Summary:Two trials were conducted. During the first trial nine products were selected from the lab's database of alternative cleaning products based on client input. Six semi-aqueous and three aqueous products were chosen for evaluation. An additional product was supplied by the client. The client supplied product and DuPont's DBE performed similarly, causing the adhesive to become soft and liquefied. Both products are ester based. The International Products Surface Cleanse 930 was found to cause the adhesive to lift off the metal surface in one big stiff piece. The US Polychemical Co Polyspray Jet 790 XS had similar results after the 60 minutes of cleaning. During the second trial it was determined that it appears that Surface Cleanse 930 may be successful in separating the metal foil from the ring.
Test Objective:To find a solvent to replace acetone to remove mesh from metal ring