Laboratory evaluations of alternative cleaning products
Date Run:
09/22/2005
Experiment Procedure:
Basic cleaning performance testing was conducted using ASTM G122 as the bases for cleaning.
Eight products were evaluated for the removal of C-Eblis cutting oil from aluminum coupons using immersion cleaning. The products were diluted to 5% using DI water in 600 ml beakers. Water was also evaluated as a control. Twenty-seven preweighed aluminum coupons were coated with the oil using a handheld swab. Coupons were weighed again to determine the amount of oil added. Three coupons were cleaned in each solution for 5 minutes using stir-bar agitation at room temperature. Coupons were rinsed in a tap water bath for 15 seconds at room temperature and rinsed for 2 minutes using a Master Appliance Heat Gun at 300 F. Final weights were measured and efficiencies were calculated.
Trial Results:
Cleaner
Initial
wt Final wt
% Removed
KPC 820 N
0.1827
0.0601
67.10
0.4339
0.0680
84.33
0.2917
0.0748
74.36
Formula 815 GD
0.2720
0.0916
66.32
0.2457
0.0696
71.67
0.2759
0.0981
64.44
Shopmaster
0.3328
0.0689
79.3
0.2751
0.0728
73.54
0.3290
0.0381
88.42
SC Aircraft & Metal
0.3580
0.0897
74.94
0.3046
0.0889
70.81
0.1934
0.0800
58.63
Surface Cleanse 930
0.1396
0.0681
51.22
0.2323
0.0346
85.11
0.3384
0.0728
78.49
Daraclean 283
0.4045
0.1203
70.26
0.2523
0.0981
61.12
0.2198
0.0804
63.42
Inproclean 3800
0.2446
0.0759
68.97
0.3051
0.0719
76.43
0.2476
0.0908
63.33
Beyond 2001
0.2125
0.0765
64.00
0.2463
0.1090
55.75
0.2582
0.1639
36.52
Water
0.2184
0.1686
22.8
0.2743
0.1591
42.00
0.1990
0.1443
27.49
Prior to weighing, coupons were inspected to rank the products for performance based on visual observations. The table below lists the calculated ranking from gravimetric analysis and compares to two visual observation rankings.
Ranking
Product
Gravimetric
Visual 1
Visual 2
KPC 820 N
2
1
1
Formula 815 GD
6
3
2
Shopmaster
1
2
3
SC Aircraft & Metal
5
4
4
Surface Cleanse 930
3
5
5
Daraclean 283
7
7
8
Inproclean 3800
4
6
6
Beyond 2001
8
8
9
Water
9
9
7
Success Rating:
Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.
Conclusion:
No product removed over 85% of the oil under the conditions tested.
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