To evaluate successful products on second supplied contaminant
Date Run:
05/06/2004
Experiment Procedure:
Nine cleaners were selected based on client request for vapor degreasing solvents. All products were used heated to 96 F on a hot plate in 250 ml beakers. The process utilized no water rinse and only used ambient air to dry the parts. Twenty-seven preweighed steel coupons were coated with Rochester Midland RI780 rust preventative (80252-41-3, 95-63-6) using a hand held swab. The oil was then heated with a Master Appliance Heat gun at 300 F for 10 minutes. After cooling to room temperature, a second weighing was performed to determine the amount of soil that was added. Three coupons were cleaned in each solution for 5 minutes with minimal stir-bar agitation. After drying, coupons were weighed a final time to determine the cleaning efficiency of each product.
Trial Results:
All nine products removed over 90% of the soil during the five minutes. Four of the products removed over 97%. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon.
Cleaner
Initial wt
Final wt
% Removed
Ak 225
0.0378
0.0014
96.30
0.0284
0.0021
92.61
0.0531
0.0017
96.80
Vertrel CCA
0.0303
0.0005
98.35
0.0273
0.0015
94.51
0.0647
0.0016
97.53
Flux Remover C
0.0241
0.0023
90.46
0.0728
0.0007
99.04
0.0824
0.0019
97.69
HFE 7200
0.0411
0.0012
97.08
0.0753
0.0003
99.60
0.0731
0.0005
99.32
Ensolv
0.0300
0.0032
89.33
0.0566
0.0000
100.00
0.0459
0.0022
95.21
Ensolv A
0.0387
0.0016
95.87
0.0652
0.0014
97.85
0.0465
0.0011
97.63
Metalnox M6960
0.0261
0.0025
90.42
0.0413
0.0044
89.35
0.0352
0.0016
95.45
Solvon PB
0.0341
0.0018
94.72
0.0497
0.0001
99.80
0.0282
0.0003
98.94
Solvon IP
0.0425
0.0012
97.18
0.0210
0.0006
97.14
0.0272
0.0009
96.69
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
All nine products will be tested on the third soil under the same conditions.
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