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Trial Number 4

Trial Purpose:

To evaluate an additional five products on the first contaminant

Date Run:

05/07/2004

Experiment Procedure:

Five products were selected based on success on the fourth supplied contaminant. All five products were used at full strength in a 250 ml beaker. Two products were heated to 96 F on a hot plate and the three Dow products were used at room temperature. Twenty-seven preweighed silver plated copper coupons were coated with the Exxon Mobil Vacmul 03D (94741-44-2) 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 five products tested on the oil removed over 97% in five minutes. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon.

Cleaner Initial wt Final wt % Removed
Solvon PB 0.0662 -0.0003 100.45
  0.1293 0.0011 99.15
  0.1018 0.0006 99.41
Solvon IP 0.0773 0.0003 99.61
  0.0920 0.0011 98.80
  0.0770 0.0026 96.62
OS 10 0.0997 0.0021 97.89
  0.0839 0.0005 99.40
  0.0722 0.0014 98.06
OS 20 0.0944 0.0038 95.97
  0.0976 0.0018 98.16
  0.0616 0.0014 97.73
OS 30 0.1107 0.0020 98.19
  0.0522 0.0013 97.51
  0.0603 0.0013 97.84

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The three Dow products will be tested on the second supplied oil.

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