Seven products were selected based on the previous two trials. Each product was used at full strength in a 250 ml beaker. Twenty-one preweighed steel copper coupons were coated with the Chevron Knit Oil ISO 32 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 dried using air-blow off. Coupons were then weighed a final time and efficiencies were calculated.
Trial Results:
All seven products removed over 87% of the knit oil. Soy Gold 2000 and United 2002 both left residue behind after the air blow off. This residue was not oil but rather the cleaning product itself. The table below lists the amount of soil added, the amount remaining and the efficiency for each coupon.
Cleaner
Initial wt
Final wt
% Removed
Soy Gold 2000
0.1717
0.0106
93.83
0.1799
0.0102
94.33
0.1511
0.0142
90.60
278 Super Solv
0.1607
0.0084
94.77
0.1230
0.0021
98.29
0.3058
0.0113
96.30
Custom Clean NCC 2778
0.0831
0.0047
94.34
0.1578
0.0016
98.99
0.0870
0.0046
94.71
Solsafe 245
0.1680
0.0022
98.69
0.1664
0.0018
98.92
0.1825
0.0004
99.78
DS 108
0.0799
0.0019
97.62
0.1597
0.0022
98.62
0.0898
-0.0007
100.78
D Greeze 500 LO
0.1148
0.0004
99.65
0.1637
0.0017
98.96
0.2288
0.0061
97.33
United 2002 Harvest Gold
0.0920
0.0127
86.20
0.0769
0.0086
88.82
0.1519
0.0207
86.37
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
Products will be tested on the supplied soiled wire.
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