To evaluate top six products on third supplied contaminant using immersion cleaning.
Date Run:
10/09/2008
Experiment Procedure:
The top six products based on past testing results were again diluted to 5% using DI water in 400 ml beakers. All six products were heated to 130 F on a hot plate. Peweighed aluminum coupons were coated with the Hagsterfer's Crystal Brite EDM oil using a handheld swab. The contaminant was allowed to dry for about 10 minutes. Once dry, the coupons were weighed a second time to determine the amount of oil applied.
Three coupons were immersed into each solution and cleaned for 5 minutes using stir-bar agitation. Rinsing was performed for 15 seconds using tap water heated to 120 F and followed by 30 seconds of air blow off with dry compressed air at room temperature. Final weights were recorded, and efficiencies were calculated for each coupon cleaned.
Trial Results:
All six products were effective at removing the EDM oil from the aluminum coupons within 5 minutes of immersion cleaning. Five of the six removed over 99% of the EDM fluid. The sixth removed over 97%. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Green Soak
0.1438
-0.0032
102.23
0.1488
-0.0015
101.01
0.1299
-0.0017
101.31
Shopmaster LpH
0.1456
-0.0002
100.14
0.1616
-0.0001
100.06
0.1559
0.0004
99.74
FPC 100
0.1695
0.0003
99.82
0.1720
0.0002
99.88
0.1808
0.0001
99.94
SC Aircraft & Metal Cleaner
0.1720
0.0062
96.40
0.1774
-0.0009
100.51
0.1890
-0.0002
100.11
Amberclean L12
0.1733
0.0000
100.00
0.1606
0.0017
98.94
0.1917
0.0003
99.84
Ozzy Juice SW-3
0.1952
0.0042
97.85
0.1989
0.0048
97.59
0.1579
0.0043
97.28
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
The top products will be evaluated on the fourth supplied contaminant under the same cleaning conditions.
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