To evaluate top performing products on fourth supplied contaminant using immersion cleaning.
Date Run:
10/10/2008
Experiment Procedure:
The top five products based on past testing results were again diluted to 5% using DI water in 400 ml beakers. All five products were heated to 130 F on a hot plate. Peweighed aluminum coupons were coated with the Hagsterfer's Hard Cut 5318 cutting 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:
Not all of the products were effective at removing the cutting oil from the aluminum coupons within 5 minutes of immersion cleaning. Three of the five removed over 80% of the cutting fluid. The other two removed between 70 and 75%. 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
0.1416
0.0538
62.01
0.2755
0.0310
88.75
0.1838
0.0430
76.61
Shopmaster LpH
0.2743
0.0572
79.15
0.1377
0.0083
93.97
0.1811
0.0389
78.52
FPC 100
0.1386
0.0434
68.69
0.1963
0.0801
59.20
0.3006
0.0417
86.13
SC Aircraft & Metal Cleaner
0.2222
0.0264
88.12
0.2050
0.0257
87.46
0.2183
0.0095
95.65
Amberclean L12
0.2221
0.0327
85.28
0.1871
0.0408
78.19
0.3836
0.0379
90.12
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 fifth supplied contaminant under the same cleaning conditions.
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