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Trial Number 8

Trial Purpose:

To evaluate one cleaner on all four contaminants using vapor degreasing

Date Run:


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.


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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