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Trial Number 2

Trial Purpose:

To determine the efficacy of aqueous cleaners compared to water utilizing VCN equipment.

Date Run:

04/14/2023

Experiment Procedure:

Eighteen pre weighed stainless steel coupons were used, three per soil per cleaner.  Half of the coupons were soiled by swabbing the bottom third of the coupons with Production Soil, while the other half of the coupons were soiled with DTE Cutting Oil.  The dirty weights of all coupons were then recorded.  The coupons were then subjected to a one-minute heated cycle at 140 degrees F in the VCN using water, Alcojet 1% concentration, and LF2100 1% concentration.  The coupons were then removed and left to air dry overnight.  The next day the clean weights of the coupons were recorded.  

Trial Results:

Cleaner soil Initial wt of cont. Final wt of cont. %Cont Removed % AVG % Overall
Water Production Soil 0.0348 0.0017 95.11 95.36 97.64
0.0380 0.0030 92.11
0.0693 0.0008 98.85
Mobil DTE Cutting Oil 0.1500 0.0027 98.20 99.92
0.0827 -0.0018 102.18
0.1610 0.0010 99.38
Alcojet 1% Production Soil 11.5932 0.0000 100.00 100.01 99.69
11.7287 0.0010 99.99
-11.5436 0.0047 100.04
Mobil DTE Cutting Oil 0.1142 0.0009 99.21 99.38
0.1538 0.0015 99.02
0.1909 0.0002 99.90
LF2100 1% Production Soil 0.0867 0.0000 100.00 99.16 98.84
0.0726 0.0003 99.59
0.0715 0.0015 97.90
Mobil DTE Cutting Oil 0.1408 0.0022 98.44 98.52
0.0945 0.0012 98.73
0.1119 0.0018 98.39

Success Rating:

Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.

Conclusion:

Water, Alcojet 1% concentration, and LF2100 1% concentration are highly effective in removing both soils from stainless steel utilizing VCN methods.

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