To remove grease from painted steel surface using immersion cleaning
Date Run:
03/24/2009
Experiment Procedure:
Basic cleaning performance testing was conducted using ASTM G122 as the bases for cleaning.
Products were selected based on the compatibility of substrate and for removal of the contaminant. Ten percent concentrations were used and heated the samples at 130F. The coupons were immersed in a product for 5 minutes, rinsed in tap water at 120 F and dried using compressed air at room temperature. Coupons were coated with the grease contaminant using a handheld swab and allowed to dry for 120 minutes at room temperature. The contaminated coupons were weighed again to determine the amount of soil added. After cleaning process, the final weights were recorded, efficiencies were calculated and recorded.
Trial Results:
Cleaner
Initial Wt.
Final Wt.
% Removed
Shopmaster
0.6872
0.1721
74.96
0.1406
0.1055
24.96
0.1601
0.0955
40.35
Citranox
0.1146
0.0177
84.55
0.0894
0.0277
69.02
0.0619
0.0048
92.25
Coil Bright
0.2099
-0.0001
100.05
0.1715
0.0535
68.80
0.0893
0.0011
98.77
Soy Strong
0.1577
0.0262
83.39
0.1232
0.0035
97.16
0.1391
-0.0002
100.14
Inproclean 3800
0.0510
0.0255
50.00
0.0696
0.0143
79.45
0.0858
-0.0017
101.98
Graffiti Remover
0.1525
0.0869
43.02
0.1801
0.0991
44.98
0.0812
0.055
32.27
Metal Bright
0.1250
0.0213
82.96
0.0832
0.0254
69.47
0.1719
0.0998
41.94
Phosphoric Acid Cleaner #1
0.1032
0.0089
91.38
0.0852
0.0092
89.20
0.2260
0.0537
76.24
Success Rating:
Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.
Conclusion:
Three of the eight products removed more than 85% of the grease from painted steel using immersion cleaning.
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