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Trial Number 11

Trial Purpose:

To evaluate the efficiency of various heated drop in solvent replacements removing DOW Corning Vacuum Grease from Brass substrates .

Date Run:

04/01/2016

Experiment Procedure:

Brass coupons were weighed to get their initial weights. The bottom third of each coupon was coated in the DOW Corning Vacuum Grease. The coupons were re-weighed. The weights were recorded. The coupons were placed in the heated drop-in solvent replacement for 5 minutes. The coupons were removed out of the and placed to dry on a rack for 15 minutes. Then the final weights were taken

Trial Results:

Cleaner Initial wt of cont. Final wt of cont. %Cont Removed
Ethyl 408 0.3854 0.0009 99.77
  0.4544 0.0186 95.91
  0.2871 0.1209 57.89
Methyl 408 0.1771 0.1727 2.48
  0.2522 0.2358 6.50
  0.2483 0.2445 1.53
FluoSolv CX 0.5698 0.0901 84.19
  0.4882 0.0060 98.77
  0.4578 0.0117 97.44
FluoSolv NC 0.0961 0.0016 98.34
  0.1367 0.0028 97.95
  0.2385 0.0485 79.66
Honeywell PF 0.1645 0.1014 38.36
  0.2101 0.1208 42.50
  0.1780 0.0537 69.83
Honeywell PF 2A 0.1797 0.0156 91.32
  0.1764 0.0356 79.82
  0.2446 0.0613 74.94
Vertrel Sion 0.4411 0.0073 98.35
  0.3979 0.0100 97.49
  0.5948 0.0947 84.08
Fluosolv CX-500 1.5110 1.4324 5.20
  1.1868 1.1520 2.93
  1.3785 1.3152 4.59
Fluosolv FR-110 0.4061 0.3765 7.29
  0.4904 0.4217 14.01
  0.3592 0.3395 5.48

Success Rating:

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

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