Trial Number 3

Trial Purpose:

To evaluate the efficiency that various cleaning methods can remove Momentive Grease from Stainless Steel substrate

Date Run:

03/15/2016

Experiment Procedure:

Stainless steel coupons were selected and arranged into rows of 3 coupons, a row per cleaner. Initial weights were taken, and coupons were soiled and reweighed. The lower third of the coupons were soiled with the momentive grease. Beakers with drop in solvent replacement solutions were set up on stirring plates equipped with a stir bar. The coupons were immersed for 5 minutes. Observations were taken during the cleaning process. The coupons were dried on a rack for 15 minutes.  Final weights were recorded.

Trial Results:

Cleaner	Initial wt	Final wt	% Removal
FluoSolv CX	0.3765	0.2448	34.98
	0.2878	0.1626	43.50
	0.3062	0.2073	32.30
FluoSolv NC	0.4160	0.3347	19.54
	0.4833	0.3677	23.92
	0.3835	0.2707	29.41
Solstice PF	0.3008	0.2042	32.11
	0.7799	0.6668	14.50
	0.2201	0.1378	37.39
Solstice PF-2A	0.3417	0.2101	38.51
	0.3014	0.1872	37.89
	0.3670	0.2623	28.53
FluoSolv CX-500	0.1551	0.1446	6.77
	0.1809	0.1704	5.80
	0.1880	0.1777	5.48
Vertrel Sion	0.3530	0.1317	62.69
	0.4428	0.2205	50.20
	0.2691	0.1014	62.32
FluoSolv FR-110	0.2046	0.1962	4.11
	0.1997	0.1912	4.26
	0.1311	0.1249	4.73

Success Rating:

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

Conclusion:

The Vertrel Sion was effective in the removal of the Momentive grease.

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