Evaluate aqueous and solvent cleaners to remove oil from steel.
Date Run:
09/10/2020
Experiment Procedure:
Three pre-weighed steel coupons were contaminated with vanishing oil provided by the company on the bottom third of the coupons before dirty weights were taken. Coupons were immersed in heated and unheated cleaners for 15 minutes, rinsed for 20 seconds in heated 120F tap water, and then air dried with a heat gun. Dried coupons were weighed for clean weights and final observations were recorded.
Trial Results:
Cleaner
Concentration
Temperature ˚F
Initial wt of cont.
Final wt of cont.
%Cont Removed
Matalnox 6386
100%
68
0.0332
0.0000
100.00
0.0233
0.0001
99.57
0.0219
0.0001
99.54
Mirachem 500
20%
110
0.0371
0.0005
98.65
0.0332
0.0016
95.18
0.0223
0.0017
92.38
SC Aircraft and Metal Cleaner
20%
130
0.0386
0.0021
94.56
0.0265
0.0023
91.32
0.0207
0.0000
100.00
Shopmaster LPH
20%
130
0.0072
0.0007
90.28
0.0175
0.0004
97.71
0.0103
0.0008
92.23
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
All four cleaners were effective at removing the vanishing oil from the steel coupons. Metalnox 6386 was the most effective.
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