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Trial Number 3

Trial Purpose:

To evaluate products on fourth supplied contaminant

Date Run:

05/06/2004

Experiment Procedure:

Seven products were selected based on success in previous two trials as well as three new products. The seven products were used at full strength in a 250 ml beaker and heated to 96 F on a hot plate. The new products were used at room temperature due to lower flash points. Thirty preweighed silver plated copper coupons were coated with the Houghton International Cindol 3401 oil (64742-46-7) 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 ten products remove over 93% of the oil within five minutes of cleaning. Seven removed over 98% and four removed over 99%. 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 0.0489 0.0006 98.77
  0.0637 0.0004 99.37
  0.0590 0.0018 96.95
AK 225 0.0718 0.0048 93.31
  0.0651 0.0046 92.93
  0.0651 0.0032 95.08
Vertrel CCA 0.0922 0.0009 99.02
  0.0461 0.0009 98.05
  0.0872 0.0005 99.43
Ensolv 0.0858 0.0031 96.39
  0.0358 0.0029 91.90
  0.0769 0.0032 95.84
Metalnox M6760 0.0624 0.0014 97.76
  0.0760 0.0013 98.29
  0.0398 0.0000 100.00
Solvon PB 0.0391 0.0001 99.74
  0.1009 0.0002 99.80
  0.0443 -0.0001 100.23
Solvon IP 0.0803 0.0004 99.50
  0.0791 0.0001 99.87
  0.0410 -0.0002 100.49
OS 10 0.0797 0.0004 99.50
  0.0922 0.0005 99.46
  0.1000 -0.0003 100.30
OS 20 0.0649 -0.0006 100.92
  0.0976 -0.0005 100.51
  0.0644 -0.0006 100.93
OS 30 0.0376 0.0033 91.22
  0.1002 0.0055 94.51
  0.0533 0.0009 98.31

Success Rating:

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

Conclusion:

A follow up trial will be conducted on the first contaminant to evaluate five products.

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