To evaluate top five products on seventh supplied contaminant using manual cleaning
Date Run:
11/04/2009
Experiment Procedure:
Five products from the previous trials were selected based on performance. All were used at room temperature. Two alkaline aqueous cleaners were diluted to 5% using DI water in 300 ml beakers. Three cleaners were used at full strength. Fifteen preweighed aluminum coupons were coated with Texaca Rando HD22-88 oil using a handheld swab. The contaminated coupons were weighed again to determine the amount of soil added.
Each cleaner tested with three coupons. Three coupons were placed into a Gardner Straight Line Washability unit. A Kimberly Clark Reinforced paper towel was attached to the cleaning sled and soaked with 5-7 sprays of cleaning solutions. Each coupon was sprayed 3 times with the same cleaning solution. First, Coupon was cleaned for 15 cycles two times; after coupon was cleaned for 15 cycles, experimenter changed the paper towel and soaked with 5 spray of same cleaning solution. At the end of the cleaning, coupons were dried at room temperature naturally. Final weights were recorded and efficiencies were calculated and recorded.
Trial Results:
All five worked well on the oil, removing more than 85%. The table lists the amount of oil added, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Shopmater RC 100%
0.0509
0.0095
81.34
0.0307
0.0021
93.16
0.0373
0.0024
93.57
SC Aircraft metal cleaner 5%
0.0255
0.0092
63.92
0.0276
0.0013
95.29
0.0126
0.0008
93.65
Solsafe 245 100%
0.1292
0.0047
96.36
0.0506
0.0065
87.15
0.0438
0.0021
95.21
Detergent 8 5%
0.0403
0.0050
87.59
0.0539
0.0027
94.99
0.0217
0.0021
90.32
Activeion
0.0537
0.0060
88.83
0.0559
0.0039
93.02
0.0322
0.0064
80.12
Success Rating:
A follow up test, usually based on company input.
Conclusion:
Based on past performance on the previous contaminants, all five products will be tested on the next supplied contaminant under the same conditions.
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