To evaluate top five products on sixth 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 Poseo Premium HPL 6 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:
Four of the five worked very well on the light oil, removing more than 85%. The Activeion unit had the lowest efficiency at 75%. 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%
0.0418
0.0048
88.52
0.0366
0.0050
86.34
0.0424
0.0039
90.80
SC Aircraft metal cleaner 5%
0.0229
0.0020
91.27
0.0122
0.0017
86.07
0.0160
0.0035
78.13
Solsafe 245 100%
0.1359
0.0160
88.23
0.0465
0.0088
81.08
0.0324
0.0022
93.21
Detergent 8 5%
0.0683
0.0045
93.41
0.0202
0.0025
87.62
0.0257
0.0037
85.60
Activeion
0.0247
0.0020
91.90
0.0271
0.0099
63.47
0.0201
0.0054
73.13
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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