To evaluate one cleaner on all four contaminants using vapor degreasing
Date Run:
05/14/2004
Experiment Procedure:
One product was selected base on client input from previous testing. The product was heated to boiling (160 F) in a vapor degreasing chamber on a hot plate. Twelve preweighed aluminum coupons were coated four different contaminates, thee coupons per contaminant. Coupons were reweighed to determine the amount of soil added. The coupons were cleaned for 5 minutes in the vapor zone, then removed and allowed to cool to room temperature outside the chamber. Final weights were recorded and efficiencies were calculated.
The contaminants removed were: Soltex Polybutene 32 (9003-29-6)
Cargill, Inc Canola Oil (120962-03-0)
Nisseki SAS 40 oil (27776-01-8, 612-00-0, 103-29-7, 101-81-5) C.P. Hall Co. Plasthall ESO oil (8013-07-8)
Trial Results:
All four contaminants were removed using Ensolv in a vapor degreaser for five minutes. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.
Contaminant
Initial wt
Final wt
% Removed
Soltex
0.7328
0.0000
100.00
0.6829
0.0003
99.96
0.8973
0.0001
99.99
Cargill
0.1078
-0.0002
100.19
0.1655
0.0010
99.40
0.1887
-0.0001
100.05
Nisseki
0.0501
0.0008
98.40
0.0873
0.0002
99.77
0.0968
-0.0001
100.10
CP Hall
0.4715
-0.0001
100.02
0.5001
0.0002
99.96
0.2575
0.0001
99.96
Success Rating:
Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.
Conclusion:
Vapor degreasing with Ensolv appears to work very well on the four supplied soils. Piloting on actual parts should be performed at this time.
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