Laboratory evaluations of alternative cleaning products
Date Run:
05/26/2004
Experiment Procedure:
Basic cleaning performance testing was conducted using ASTM G122 as the bases for cleaning.
All products were used heated to 96 F on a hot plate in 250 ml beakers. Eighteen preweighed steel coupons were coated with Rochester Midland RI780 rust preventative (80252-41-3, 95-63-6) using a handheld 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:
Cleaner
Initial wt
Final wt
% Removed
Vertrel MCA
0.02000
0.00150
92.50
0.12690
0.00340
97.32
0.13150
0.00090
99.32
Heavy Duty Degreaser C
0.08620
0.00130
98.49
0.10970
0.00020
99.82
0.06960
0.00110
98.42
HFE 7100
0.07200
0.00300
95.83
0.11920
0.00460
96.14
0.12210
0.00450
96.31
OS 10
0.11220
0.00320
97.15
0.04570
0.00560
87.75
0.10070
0.00600
94.04
OS 20
0.10830
0.00190
98.25
0.07100
0.00490
93.10
0.03590
0.00360
89.97
OS 30
0.10170
0.00870
91.45
0.08370
0.01390
83.39
0.07100
0.01020
85.63
Success Rating:
Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.
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