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Trial Number 0

Trial Purpose:

To identify the hardest lubricating oils to remove from gold and silver substrates.

Date Run:

05/09/2018

Experiment Procedure:

Twenty four silver-plated aluminum coupons, three per soil, were used for each cleaner. Initial weights were recorded before soiling the coupons on one side with a thin layer using a swab.  Dirty weights were taken immediately after soiling, and the coupons were immersed three at a time for five minutes in an unheated (68 F) beaker filled with the respective cleaner. The coupons were air dried before taking final weights and observations.

Trial Results:

Soil Cleaner Initial wt.  Final wt.  % Removed   %Avg Removed
Masterdraw 419TT #4 Aquavantage 1400 GD  0.0237 0.0021 91.14 87.28
    0.0217 0.0018 91.71  
    0.0200 0.0042 79.00  
  LF2100 0.0140 0.0018 87.14 72.10
    0.0242 0.0029 88.02  
    0.0277 0.0163 41.16  
Hamilube 9030 - HV3 #11 Aquavantage 1400 GD  0.1213 0.1221 -0.66 1.80
    0.1175 0.1188 -1.11  
    0.1510 0.1402 7.15  
  LF2100 0.1473 0.1372 6.86 20.23
    0.1991 0.1551 22.10  
    0.1923 0.1313 31.72  
BurnFree #5 Aquavantage 1400 GD  0.0275 0.0175 36.36 46.00
    0.0365 0.0199 45.48  
    0.0308 0.0135 56.17  
  LF2100 0.0146 0.0109 25.34 22.76
    0.0198 0.0165 16.67  
    0.0156 0.0115 26.28  
xxAluminum #19 Aquavantage 1400 GD 0.0351 0.0091 74.07 76.64
    0.0292 0.0076 73.97  
    0.0414 0.0075 81.88  
  LF2100 0.0234 0.0229 2.14 14.39
    0.0166 0.0136 18.07  
    0.0148 0.0114 22.97  
#9 Marvel Mystery Oil Aquavantage 1400 GD  0.0299 0.0121 59.53 67.06
    0.0260 0.0099 61.92  
    0.0281 0.0057 79.72  
  LF2100 0.0135 0.0175 -29.63 -15.56
    0.0188 0.0202 -7.45  
    0.0177 0.0194 -9.60  
#3 BurnFree Masterdraw 5585C Aquavantage 1400 GD  0.1159 0.1135 2.07 2.68
    0.1333 0.1300 2.48  
    0.1606 0.1550 3.49  
  LF2100 0.0205 0.0039 80.98 85.60
    0.0163 0.0021 87.12  
    0.0186 0.0021 88.71  
Caster Oil #7 Aquavantage 1400 GD  0.0573 0.0574 -0.17 -0.08
    0.0919 0.0928 -0.98  
    0.0871 0.0863 0.92  
  LF2100 0.0200 -0.0037 118.50 79.59
    0.0174 0.0007 95.98  
    0.0243 0.0184 24.28  
#1 Masterdraw L240B Aquavantage 1400 GD  0.0622 0.0012 98.07 98.52
    0.0617 0.0005 99.19  
    0.0999 0.0017 98.30  
  LF2100 0.0567 0.0555 2.12 -1.76
    0.0400 0.0414 -3.50  
    0.0360 0.0374 -3.89  

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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