Trial Number 7

Trial Purpose:

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

Date Run:

03/25/2016

Experiment Procedure:

Aluminum 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 of cont.	Final wt of cont.	%Cont Removed
Ethyl 408	0.1490	0.1665	-11.74
	0.1595	0.1753	-9.91
	0.1337	0.1378	-3.07
Methyl 408	0.1282	0.1387	-8.19
	0.1091	0.1119	-2.57
	0.0993	0.1035	-4.23
FluoSolv CX	0.1183	0.0445	62.38
	0.1281	0.0573	55.27
	0.1269	0.0048	96.22
FluoSolv NC	0.1303	0.0666	48.89
	0.1399	0.0716	48.82
	0.1249	0.0545	56.37
Honeywell PF	0.1427	0.0751	47.37
	0.1137	0.0479	57.87
	0.1001	0.0520	48.05
Honeywell PF 2A	0.1303	0.0614	52.88
	0.1196	0.0615	48.58
	0.1361	0.0677	50.26
Vertrel Sion	0.2378	0.0371	84.40
	0.1646	0.0523	68.23
	0.2267	0.0438	80.68
Fluosolv CX-500	0.3763	0.3539	5.95
	0.5120	0.4874	4.80
	0.5286	0.5069	4.11
Fluosolv FR-110	0.3497	0.3335	4.63
	0.3472	0.3287	5.33
	0.3840	0.3653	4.87

Success Rating:

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

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