Trial Number 2

Trial Purpose:

To evaluate the efficiency of various heated drop in solvent replacement in removing Momentive Grease from Stainless Steel .

Date Run:

03/04/2016

Experiment Procedure:

Stainless steel coupons were weighed to get their initial weights. The bottom third of each coupon was coated in the Momentive Grease. The coupons were re- weighed. The weights were recorded. The coupons were placed in the heated drop-in solvent replacement for 5 minutes. The coupons were removed out of the cleaning solution and placed to dry on a rack for 15 minutes. Then the final weights were taken and recorded.

Trial Results:

Cleaner	Initial wt	Final wt	% Removal
Ethyl 408	0.2458	0.2605	-5.98
	0.2095	0.2170	-3.58
	0.1481	0.1671	-12.83
Methyl 408	0.1141	0.1132	0.79
	0.1298	0.1323	-1.93
	0.1071	0.1059	1.12
FluoSolv CX	0.1209	0.0700	2.10
	0.1269	0.0501	0.60
	0.1509	0.1000	33.73
FluoSolv NC	0.0981	0.0261	73.94
	0.1151	0.0447	61.16
	0.1020	0.0295	71.08
Honeywell PF	0.2921	0.2482	15.03
	0.2131	0.1560	26.79
	0.2353	0.1711	27.28
Honeywell PF 2A	0.2094	0.1483	29.18
	0.2195	0.1284	41.50
	0.1477	0.0788	46.65
Vertrel Sion	0.1717	0.0588	65.75
	0.1450	0.0366	74.76
	0.1832	0.0341	81.39
Fluosolv CX-500	0.7259	0.7089	2.34
	0.6435	0.6205	3.57
	0.5512	0.5302	3.81
Fluosolv FR-110	0.3911	0.3690	5.65
	0.2871	0.2694	6.17
	0.3120	0.2791	10.54

Success Rating:

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

Conclusion:

Fluosolv CX and FluoSolv NC were most effective in removing the Momentive grease.

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