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Trial Purpose:

To evaluate alternatives on second supplied contaminant

Date Run:

05/04/2004

Experiment Procedure:

Nine products were selected based on client request for vapor degreasing solvents. Each product was used at full strength in a 250 ml beaker and heated to 96 F on a hot plate. Twenty-seven preweighed silver plated copper coupons were coated with the Houghton Chemical Cut-Max 135 (64742-52-5, 64741-96-4) using a hand held swab. Coupons were weighed a second time to determine the amount of soil added to each coupon. Three coupons were cleaned in each solution for 5 minutes using stir-bar agitation. After cleaning parts were weighed a final time and efficiencies were calculated.

Trial Results:

All nine products removed over 85% of the oil. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner	Initial wt	Final wt	% Removed
HFE 7100	0.1504	0.0230	84.71
	0.2870	0.0185	93.55
	0.1815	0.0127	93.00
HFE 7200	0.1089	0.0119	89.07
	0.1725	0.0155	91.01
	0.1083	0.0148	86.33
AK 225	0.1085	0.0034	96.87
	0.3010	0.0018	99.40
	0.1515	0.0019	98.75
Vertrel CCA	0.0935	0.0072	92.30
	0.0866	0.0091	89.49
	0.0779	0.0098	87.42
Ensolv	0.1190	0.0019	98.40
	0.1042	0.0022	97.89
	0.0844	0.0023	97.27
Ensolv A	0.1239	0.0012	99.03
	0.1457	0.0006	99.59
	0.2006	0.0008	99.60
Metalnox M6760	0.0505	-0.0003	100.59
	0.1837	-0.0010	100.54
	0.1136	0.0004	99.65
Solvon PB	0.1417	-0.0012	100.85
	0.0547	-0.0003	100.55
	0.0754	-0.0008	101.06
Solvon IP	0.1124	0.0002	99.82
	0.0822	0.0003	99.64
	0.1167	0.0000	100.00

Success Rating:

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

Conclusion:

All nine products will be tested on the third supplied contaminant.

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