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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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