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Trial Number 5

Trial Purpose:

To evaluate the efficiency that various cleaning methods can remove Momentive Grease from aluminum coupons\substrate.

Date Run:

03/20/2016

Experiment Procedure:

Aluminum coupons were selected and arranged into rows of 3 coupons, a row per cleaner. Initial weights were taken, and coupons were soiled and reweighed. The lower third of the coupons were soiled.  Beakers with drop in solvent replacement solutions were set up on stirring plates equipped with a stir bar. The coupons were immersed for 5 minutes. Observations were taken during the cleaning process. The coupons were dried on a rack for 15 minutes.  Final weights were recorded.

Trial Results:

The Solstice PF and Vertrel Sion were very effective in the removal of the Momentive Grease.

Cleaner Initial Wt. Clean Wt. % Removal
FluoSolv CX 0.1561 0.0512 67.20
  0.1135 0.0282 75.15
  0.1153 0.0253 78.06
       
FluoSolv NC 0.1023 0.0253 75.27
  0.1094 0.0209 80.90
  0.0734 0.0228 68.94
       
Solstice PF 0.0956 0.0114 88.08
  0.0787 0.0123 84.37
  0.0840 0.0120 85.71
       
Solstice  PF-2A 0.0849 0.0156 81.63
  0.0522 0.0142 72.80
  0.0883 0.0235 73.39
       
FluoSolv CX-500 0.1412 0.1286 8.92
  0.1673 0.1546 7.59
  0.1465 0.1348 7.99
       
FluoSolv FR-100 0.1845 0.1753 4.99
  0.1764 0.1668 5.44
  0.1740 0.1631 6.26
       
Vertrel Sion 0.1426 0.0430 69.85
  0.1501 0.0162 89.21
  0.2822 0.0034 98.80

Success Rating:

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

Conclusion:

Based on the lab results, only Solstice PF and Vertrel Sion were effective in removing the Momentive grease.

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