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Trial Number 8

Trial Purpose:

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

Date Run:

03/25/2016

Experiment Procedure:

Brass 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 0.1908 0.2020 -5.87
  0.1552 0.1623 -4.57
  0.1479 0.1566 -5.88
Methyl 408 0.1358 0.1368 -0.74
  0.1055 0.1066 -1.04
  0.1244 0.1252 -0.64
FluoSolv CX 0.1023 0.0287 71.95
  0.0962 0.0258 73.18
  0.1043 0.0489 53.12
FluoSolv NC 0.1358 0.0610 55.08
  0.1116 0.0382 65.77
  0.1006 0.0481 52.19
Honeywell PF 0.1800 0.0699 61.17
  0.1248 0.0643 48.48
  0.1412 0.0723 48.8
Honeywell PF 2A 0.1350 0.0694 48.59
  0.1475 0.0776 47.39
  0.1061 0.0617 41.85
Vertrel Sion 0.1859 0.0047 97.47
  0.1792 0.0286 84.04
  0.3030 0.0709 76.6
Fluosolv CX-500 0.8387 0.8123 3.15
  0.7091 0.6861 3.24
  0.7496 0.7184 4.16
Fluosolv FR-110 0.4448 0.4192 5.76
  0.3955 0.3733 5.61
  0.3778 0.3513 7.01

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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