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Trial Number 7

Trial Purpose:

To evaluate the efficiency of various heated drop in solvent replacement in removing Momentive Grease from Aluminum.

Date Run:

03/25/2016

Experiment Procedure:

Aluminum coupons were weighed to get their initial weights. The bottom third of each coupon was coated in the Momentive 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 cleaning solution and placed to dry on a rack for 15 minutes. Then the final weights were taken and recorded.

Trial Results:

Cleaner Initial wt of cont. Final wt of cont. %Cont Removed
Ethyl 408 0.1490 0.1665 -11.74
  0.1595 0.1753 -9.91
  0.1337 0.1378 -3.07
Methyl 408 0.1282 0.1387 -8.19
  0.1091 0.1119 -2.57
  0.0993 0.1035 -4.23
FluoSolv CX 0.1183 0.0445 62.38
  0.1281 0.0573 55.27
  0.1269 0.0048 96.22
FluoSolv NC 0.1303 0.0666 48.89
  0.1399 0.0716 48.82
  0.1249 0.0545 56.37
Honeywell PF 0.1427 0.0751 47.37
  0.1137 0.0479 57.87
  0.1001 0.0520 48.05
Honeywell PF 2A 0.1303 0.0614 52.88
  0.1196 0.0615 48.58
  0.1361 0.0677 50.26
Vertrel Sion 0.2378 0.0371 84.40
  0.1646 0.0523 68.23
  0.2267 0.0438 80.68
Fluosolv CX-500 0.3763 0.3539 5.95
  0.5120 0.4874 4.80
  0.5286 0.5069 4.11
Fluosolv FR-110 0.3497 0.3335 4.63
  0.3472 0.3287 5.33
  0.3840 0.3653 4.87

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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