To evaluate products on fourth supplied contaminant
Date Run:
05/06/2004
Experiment Procedure:
Seven products were selected based on success in previous two trials as well as three new products. The seven products were used at full strength in a 250 ml beaker and heated to 96 F on a hot plate. The new products were used at room temperature due to lower flash points. Thirty preweighed silver plated copper coupons were coated with the Houghton International Cindol 3401 oil (64742-46-7) using a hand held swab. Coupons were weighed a second time to determine the amount of soil added to each coupon. Three coupons were cleaned in each solution for 5 minutes using stir-bar agitation. After cleaning parts were weighed a final time and efficiencies were calculated.
Trial Results:
All ten products remove over 93% of the oil within five minutes of cleaning. Seven removed over 98% and four removed over 99%. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
HFE 7100
0.0489
0.0006
98.77
0.0637
0.0004
99.37
0.0590
0.0018
96.95
AK 225
0.0718
0.0048
93.31
0.0651
0.0046
92.93
0.0651
0.0032
95.08
Vertrel CCA
0.0922
0.0009
99.02
0.0461
0.0009
98.05
0.0872
0.0005
99.43
Ensolv
0.0858
0.0031
96.39
0.0358
0.0029
91.90
0.0769
0.0032
95.84
Metalnox M6760
0.0624
0.0014
97.76
0.0760
0.0013
98.29
0.0398
0.0000
100.00
Solvon PB
0.0391
0.0001
99.74
0.1009
0.0002
99.80
0.0443
-0.0001
100.23
Solvon IP
0.0803
0.0004
99.50
0.0791
0.0001
99.87
0.0410
-0.0002
100.49
OS 10
0.0797
0.0004
99.50
0.0922
0.0005
99.46
0.1000
-0.0003
100.30
OS 20
0.0649
-0.0006
100.92
0.0976
-0.0005
100.51
0.0644
-0.0006
100.93
OS 30
0.0376
0.0033
91.22
0.1002
0.0055
94.51
0.0533
0.0009
98.31
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
A follow up trial will be conducted on the first contaminant to evaluate five products.
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