To eliminate the use of N-Propyl Bromide in cleaning operations.
Date Run:
04/06/2016
Experiment Procedure:
One cleaner was tested at room temperature on aluminum, brass, and stainless-steel coupons to evaluate how Castrol Performance Bio NC Lite, Navi Guard Way Lube 32, and Water-Soluble Coolant soils were cleaned. Preweighed coupons were coated with each supplied soil using a handheld swab for each substrate and weighed a second time to determine the amount of soil added. Each cleaner was put in a beaker and three coupons were immersed into the solution for 5 minutes. The coupons were then stood upright to air dry for 15 minutes and then placed on a tray. There was no rinse. Once dry, final weights were measured and efficiency calculated for each coupon cleaned.
Trial Results:
Contaminant
Substrate
Initial wt of cont.
Final wt of cont.
%Cont Removed
Castrol
Aluminum
0.1079
0.0005
99.54
Performance
Aluminum
0.0728
0.0001
99.86
Aluminum
0.0818
0.0002
99.76
Brass
0.1257
0.0040
96.82
Brass
0.1118
0.0018
98.39
Brass
0.0757
0.0001
99.87
Stainless
0.1210
0.0012
99.01
Stainless
0.1172
0.0004
99.66
Stainless
0.1414
0.0001
99.93
Navi Guard
Aluminum
0.1606
0.0005
99.69
Way Lube 32
Aluminum
0.1789
0.0002
99.89
Aluminum
0.1692
0.0004
99.76
Brass
0.2668
0.0008
99.70
Brass
0.1363
0.0026
98.09
Brass
0.1749
0.0010
99.43
Stainless
0.2093
0.0008
99.62
Stainless
0.2248
0.0015
99.33
Stainless
0.2166
0.0014
99.35
Water-
Aluminum
0.0153
0.0011
92.81
Soluble
Aluminum
0.0194
0.0009
95.36
Coolant
Aluminum
0.0094
0.0011
88.30
Brass
0.0074
0.0010
86.49
Brass
0.0101
0.0022
78.22
Brass
0.0067
0.0007
89.55
Stainless
0.0050
0.0001
98.00
Stainless
0.0054
0.0005
90.74
Stainless
0.0078
0.0005
93.59
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
DuPont Vertrel Sion efficiently removed the three soils, Castrol Performance Bio NC Lite, Navi Guard Way Lube 32, and Water-Soluble Coolant on all three substrates at room temperature. The Castrol Performance Bio NC Lite soil with Sion was cleaned with an efficiency of 99.20%. The Navi Guard Way Lube 32 was most efficiently cleaned with Sion, with an efficiency of 90.43%. The Water-Soluble Coolant soil was least efficiently cleaned with Sion, with an efficiency of 90.34%.
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