To evaluate products using longer manual cleaning times.
Date Run:
10/16/2009
Experiment Procedure:
Nine products from the previous trials were selected. All were used at room temperature. Five alkaline aqueous cleaners were diluted to 5% using DI water in 300 ml beakers. Four cleaner was used at full strength. Twenty-four preweighed glass coupons were coated with wax manually without heat gun and allowed to dry for 24 hours at room temperature. The contaminated coupons were weighed again to determine the amount of soil added.
Trial Results:
Two products were effective in removing the wax with a manual wiping action. The table lists the amount of soil initially added and the amount remaining after cleaning and the product efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Shop Master RC
0.0224
0.0051
77.23
0.0772
0.0061
92.1
0.0397
0.0093
76.57
Gemtek-SC Aircraft metal cleaner
0.0978
0.029
70.35
0.0781
0.0232
70.29
0.0801
0.0209
73.91
Biochem system - Solsafe 245
0.0994
0.0185
81.39
0.0517
0.0103
80.08
0.0555
0.0075
86.49
AGT Environmental - Soy clean 1500
0.0716
0.0195
72.77
0.1669
0.0363
78.25
0.0578
0.0273
52.77
MacDermid - NDLF Supreme
0.1715
0.0765
55.39
0.0824
0.0395
52.06
0.0776
0.0286
63.14
Alconox inc - Detergent 8
0.0633
0.024
62.09
0.0492
0.0184
62.6
0.0777
0.0333
57.14
Humisafe - Humisafe 9100
0.0724
0.0275
62.02
0.0767
0.0363
52.67
0.0615
0.0232
62.28
Activion - Active Ion
0.0571
0.0301
47.29
0.1001
0.0441
55.94
0.095
0.0433
54.42
Humisafe - Humisafe s-910
0.1048
0.0466
55.53
0.1029
0.0496
51.8
0.125
0.041
67.2
Success Rating:
A follow up test, usually based on company input.
Conclusion:
Two products (Shopmaster RC, Solsafe 245) removed more than 80% of the wax from aluminum coupon. The added cleaning time did not improve cleaning performance. The top four products from both trials will be tested on the next supplied oil under similar conditions.
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