To find the effectivity of a set of cleaners against various oils on an aluminum surface.
Date Run:
02/23/2017
Experiment Procedure:
Aluminum coupons were selected and arranged into sets of three for each cleaner. The substrates were wiped off with Kimwipes and initial weights were taken. Then the coupons were soiled with the respective oil and allowed to air dry for one hour before taking dirty weights. The coupons were cleaned by immersion in the cleaners at 49°C or 120°F. The coupons were allowed 15 minutes for lighter oils and 30 minutes for the epoxidized soybean oil, inspecting them every 10 minutes. Coupons were taken out once cleaning was complete and rinsed in a bath of water, to later be blown off with pressurized air for 5 minutes. After allowing the coupons to dry about five minutes, clean weights were taken.
Trial Results:
The MacDermid Adherite cleaner was not effectively compatible with the aluminum coupons and seemed to deteriorate the substrate, darkening the surface as shown in Figure 1. This was the reason for the percentages being over 100% for the Nisseki soil. The same effect was observed on at least three of the four oils. No reaction was observed with canola oil. It proved difficult to clean silicone and epoxidized soybean oil, because a lot of residue was left on the coupons. Blow off with pressurized air did very little except spread the oil along the surface.
MacDermid Clepo Adherite 590
Products
Initial Wt
Final Wt
% Removal
Soil Ave
Overall Ave
Nisseki SAS 601E
0.0561
-0.0039
106.95
103.52
92.25
0.0955
-0.0029
103.04
0.1542
-0.0009
100.58
Silicone Fluid
0.0673
0.0055
91.83
93.36
0.1253
0.0079
93.7
0.1211
0.0066
94.55
Canola Oil
0.1143
0.0145
87.31
84.9
0.1173
0.0152
87.04
0.1795
0.0353
80.33
Epoxidized Soybean Oil
0.0736
0.0026
96.47
87.21
0.0565
0.0146
74.16
0.1499
0.0135
90.99
Brulin Aquavantage 1400
Nisseki SAS 601E
0.1514
0.0073
95.18
93.17
82.17
0.0795
0.0081
89.81
0.064
0.0035
94.53
Silicone Fluid
0.1272
0.0104
91.82
94.6
0.0957
0.0028
97.07
0.1587
0.0081
94.9
Canola Oil
0.1681
0.0394
76.56
79.03
0.1371
0.0112
91.83
0.1256
0.0393
68.71
Epoxidized Soybean Oil
0.1334
0.0425
68.14
61.87
0.0957
0.0456
52.35
0.1465
0.0511
65.12
Chemetall Inproclean 3800
Nisseki SAS 601E
0.1124
0.0021
98.13
98.65
87.68
0.1546
0.0017
98.9
0.1196
0.0013
98.91
Silicone Fluid
0.0691
0.0031
95.51
97.38
0.1346
0.0028
97.92
0.146
0.0019
98.7
Canola Oil
0.1707
0.0078
95.43
91.71
0.2622
0.0236
91
0.223
0.0252
88.7
Epoxidized Soybean Oil
0.1404
0.0197
85.97
62.99
0.1611
0.0758
52.95
0.0887
0.0443
50.06
Bio Circle Aero
Nisseki SAS 601E
0.0626
0.0033
94.73
95.81
78.88
0.1311
0.005
96.19
0.1205
0.0042
96.51
Silicone Fluid
0.1287
0.0097
92.46
84.5
0.0864
0.0126
85.42
0.0824
0.0201
75.61
Canola Oil
0.227
0.0457
79.87
78.72
0.1153
0.02
82.65
0.1487
0.0392
73.64
Epoxidized Soybean Oil
0.1621
0.0437
73.04
56.51
0.0628
0.0348
44.59
0.1148
0.0552
51.92
Gemtek SC Aircraft
Nisseki SAS 601E
0.1118
0.0455
59.3
74.77
82.18
0.0578
0.0153
73.53
0.1479
0.0126
91.48
Silicone Fluid
0.1928
0.0029
98.5
98.78
0.6433
0.0041
99.36
0.1705
0.0026
98.48
Canola Oil
0.2955
0.0453
84.67
88.94
0.3296
0.0155
95.3
0.1278
0.0168
86.85
Epoxidized Soybean Oil
0.075
0.0445
40.67
66.22
0.2514
0.0069
97.26
0.2043
0.0802
60.74
Polychem Polyspray Jet 790P
Nisseki SAS 601E
0.0535
0.005
90.65
92.98
92.05
0.0496
0.003
93.95
0.0599
0.0034
94.32
Silicone Fluid
0.646
0.0246
96.19
95.51
0.2296
0.0187
91.86
0.97
0.0146
98.49
Canola Oil
0.2574
0.0108
95.8
95.74
0.2528
0.0136
94.62
0.9234
0.0295
96.81
Epoxidized Soybean Oil
0.1297
0.017
86.89
83.98
0.2173
0.0328
84.91
0.2051
0.0407
80.16
MacDermid Keykote 84
Nisseki SAS 601E
0.0791
0.0067
91.53
92.57
87.3
0.0575
0.0044
92.35
0.0987
0.0061
93.82
Silicone Fluid
0.4979
0.0152
96.95
81.58
0.4549
-0.1142
125.1
0.1687
0.1304
22.7
Canola Oil
0.1838
0.0214
88.36
88.13
0.1873
0.0205
89.05
0.1553
0.0202
86.99
Epoxidized Soybean Oil
0.1873
0.0179
90.44
86.92
0.109
0.0115
89.45
0.1386
0.0265
80.88
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
The best cleaner was likely Polychem’s Polyspray Jet 790P as it performed consistently across all soils. The next best cleaners were Chemetall Inproclean 3800 and MacDermid Keykote 84, respectively.
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