To evaluate semi-aqueous products in an attempt to increase cleaning times.
Date Run:
03/08/2007
Experiment Procedure:
Eight products were selected from the lab's database, www.cleanersolutions.org, based on past testing effectiveness and compatibility with substrates and equipment. Four products were diluted to 10% using DI water in 600 ml beakers and the other four were used at full strength. Each solution was heated to 130 F on a hot plate.
Twenty-four preweighed coupons were coated with Jackonslea Grey Color 305 A (1344-28-1) by heating the buffing compound to facilitate transfer to the stainless-steel coupons. Once cooled, coupons were weighed again to determine the amount of buffing compound applied. Three coupons were cleaned in each solution for 5 minutes using stir-bar agitation. Coupons were rinsed for 15 seconds in 120 F tap water and dried using compressed air at room temperature for 30 seconds. Coupons were weighed a third time to determine the amount of soil remaining and efficiencies were calculated for each coupon cleaned.
Trial Results:
Seven of the eight products removed over 85% of the buffing compound within 5 minutes of immersion cleaning. Four of these removed over 94%. The table lists the amount of buffing compound applied, the amount remaining after cleaning and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
SC Supersolv
0.2060
0.0459
77.72
0.2034
0.0012
99.41
0.4942
0.1112
77.50
Bio T Max
0.2996
0.0151
94.96
0.2861
0.0105
96.33
0.1876
0.0165
91.20
Solsafe 245
0.1825
0.0084
95.40
0.2511
0.0046
98.17
0.3870
0.0048
98.76
DS 104
0.3846
0.0401
89.57
0.2890
0.0265
90.83
0.2447
0.0393
83.94
Optisolv OP7171
0.3434
0.1085
68.40
0.4844
0.1820
62.43
0.3385
0.0627
81.48
Optisolv OP7168
0.4535
0.0125
97.24
0.5022
0.0392
92.19
0.4792
0.0092
98.08
Soy Gold 2000
0.2434
0.0290
88.09
0.5075
0.0593
88.32
0.5400
0.0373
93.09
D Greeze 500 Lo
0.4888
0.0161
96.71
0.5350
0.0185
96.54
0.6353
0.0103
98.38
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 seven effective products will be tested at shorter times using ultrasonic energy.
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