To evaluate the removal of Oak 15A-1 from Galvanized Steel.
Date Run:
02/24/2022
Experiment Procedure:
Three parts per cleaner were weighed for initial weights. They were then dipped in the Oak 15A-1 oil and all excess oil was allowed to drip off. They were then weighed for dirty weights. The cleaners were heated to their vendor recommended temperatures and were placed in the heated ultrasonics tank. Three coupons per cleaner were immersed and the ultrasonics tank was run for 15 minutes at 40 KhZ. They were then placed on trays and left to dry overnight. After drying, they were weighed for clean weights.
Trial Results:
None of the cleaners performed over 90% removal effectiveness. Shopmaster had an average removal of 75%. Water works had a removal of 55% and Mirachem 500 removed an average of 86%. SC Aircraft had an effectiveness of 36% and was the lowest percentage removal.
Cleaner
Conc.
Temp
Initial wt. of cont.
Final wt. of cont.
Average
Combined Average
Shopmaster LPH
20%
140 F
0.2804
0.0736
73.75
75.35
0.4291
0.0791
81.57
0.4627
0.1354
70.74
Water Works
33%
105 F
0.3211
0.0823
74.37
54.67
0.1528
0.1278
16.36
0.3483
0.0931
73.27
Mirachem 500
33%
140 F
0.9739
0.0435
95.53
86.24
0.3435
0.0375
89.08
0.3408
0.0883
74.09
S.C. Aircraft
25%
140 F
0.3565
0.0942
73.58
36.23
0.2157
0.1054
51.14
0.0792
0.0919
-16.04
Success Rating:
A follow up test, usually based on company input.
Conclusion:
None of the cleaners were effective for the removal of oil from galvanized steel. Next steps are to adjust concentration, time, and temperature to try to increase effectiveness of the removal of oil from Galvanized Steel.
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