Trial Number 0

Two products were diluted to five percent using DI water in 600 ml beakers. The solutions were heated to 130 F on a hot plate. Preweighed coupons were contaminated with the various contaminants and weighed again. Next, three coupons with the same contaminant were immersed into a beaker agitated with a magnetic stir bar. Cleaning lasted for five minutes. The coupons were rinsed using tap water at 120 F for 30 seconds and dried for 2 hours at room temperature. Once the coupons were dry, final clean weights were recorded and the efficiency of the cleaning products were determined.

SUBSTRATE MATERIAL:
Table 1. Substrates Cleaned
Substrate Code ID#
Aluminum AL1 5086 H-32
AL2 1100 H-14
Table 2. Contaminants Removed
Contaminant CAS#
Flux FX, Kester 1544 Rosin 64-17-5, 78-92-2, 8050-09-7
Grease GR, KSL-111 64742-57-0, 64742-62-7, 8052-42-4
Lubricant LU, 423 64742-47-8
Oil OI, Hydrolic, East Falls Co. 64742-65-0

Both cleaners had difficulty in removing the lubricant from the aluminum coupons with Emkay removing just over 60% of the lubricant and Magnum only removing just under 50%. Magnum was more successful in cleaning the other three contaminants as shown in the side by side comparison in Table 4.

Table 4. Direct Comparison

The results for each cleaner are listed in Table 5.
Table 5. Product Efficiencies

Magnum Research Aluminum Aerowash removed over 94% of the contaminants for three of four contaminants.  Emkay Chemical Safety Wash Clear was successful in removing over 85% of the contaminants in one of four evaluations.