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Trial Number 4
Trial Purpose:
To evaluate the effectiveness of the supplied cleaners with removing Lithium White Grease soil from aluminum, ceramic, and polycarbonate surfaces.
Date Run:
10/03/2017
Experiment Procedure:
Three sets of pre-weighed aluminum, ceramic, and polycarbonate coupons were soiled with a half a gram of Lithium White Grease using a hand held swab. Contaminated weights were taken and then three of the same type of coupons were immediately placed into a Gardner Straight Line Washability unit. A Wypall X60 reinforced wipe was attached to the cleaning sled and soaked with one spray of desired cleaning solutions. Each coupon was sprayed once with the same cleaning solution. All cleaning solutions were diluted to the recommended percentages. The solution was then allowed to penetrate for 30 seconds followed by cleaning in the SLW unit for 20 cycles.
Trial Results:
Cleaner
Coupon Type
Initial wt of cont.
Final wt of cont.
%Cont Removed
Avg. Cont. Removed (%)
Overall Cont. Removed (%)
Pak it Vehicle Wash
Aluminum
0.5002
0.1704
65.93
62.4
65.5
0.4871
0.2379
51.16
0.5061
0.1514
70.08
Ceramic
0.5164
0.1414
72.62
72.2
0.5065
0.0692
86.34
0.4891
0.2076
57.55
Polycarbonate
0.5680
0.1571
72.34
62.0
0.4868
0.1330
72.68
0.4931
0.2905
41.09
Gunk Car & Truck Wash
Aluminum
0.4906
0.1263
74.26
65.6
65.6
0.4651
0.1893
59.30
0.4963
0.1827
63.19
Ceramic
0.4941
0.1408
71.50
67.9
0.5098
0.2498
51.00
0.5008
0.0939
81.25
Polycarbonate
0.4891
0.2417
50.58
63.4
0.5133
0.1647
67.91
0.4822
0.1363
71.73
West Marine Heavy Duty Boat Wash
Aluminum
0.5028
0.1753
65.14
65.2
67.5
0.4949
0.1603
67.61
0.5043
0.1877
62.78
Ceramic
0.4942
0.0620
87.45
74.0
0.5102
0.1760
65.50
0.5165
0.1604
68.94
Polycarbonate
0.4977
0.1639
67.07
63.4
0.4851
0.1561
67.82
0.5121
0.2292
55.24
Success Rating:
Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.
Conclusion:
The supplied product worked as well as the comparative products from removing lithium grease using manual wiping.
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