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Trial Number 3

Trial Purpose:

To evaluate the efficiency that various cleaning methods can remove Momentive Grease from Stainless Steel substrate

Date Run:

03/15/2016

Experiment Procedure:

Stainless steel 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 with the momentive grease. 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:

Cleaner Initial wt Final wt % Removal  
FluoSolv CX 0.3765 0.2448 34.98
  0.2878 0.1626 43.50
  0.3062 0.2073 32.30
       
FluoSolv NC 0.4160 0.3347 19.54
  0.4833 0.3677 23.92
  0.3835 0.2707 29.41
       
Solstice PF 0.3008 0.2042 32.11
  0.7799 0.6668 14.50
  0.2201 0.1378 37.39
       
Solstice PF-2A 0.3417 0.2101 38.51
  0.3014 0.1872 37.89
  0.3670 0.2623 28.53
       
FluoSolv CX-500 0.1551 0.1446 6.77
  0.1809 0.1704 5.80
  0.1880 0.1777 5.48
       
Vertrel Sion 0.3530 0.1317 62.69
  0.4428 0.2205 50.20
  0.2691 0.1014 62.32
       
FluoSolv FR-110 0.2046 0.1962 4.11
  0.1997 0.1912 4.26
  0.1311 0.1249 4.73

Success Rating:

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

Conclusion:

The Vertrel Sion was effective in the removal of the Momentive grease.

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