To evaluate the effectiveness of Libman All-Purpose Cleaner against a comparative brand.
Date Run:
04/19/2022
Experiment Procedure:
Nine pre-weighed coupons per cleaner, three of each substrate, were contaminated with Hucker's Soil Formulation (Jiff Creamy Peanut Butter 9.2%, Salted Butter 9.2%, Arrowhead Mills stone-ground wheat flour 9.2%, Egg Yolk 9.2%, Evaporated milk 13.8%, Distilled water 45.8%, Printer's ink with boiled linseed oil 0.9%, Shaws saline Solution 2.7%) using a handheld swab and dried for two hours at room temperature (68 F). The contaminated coupons were weighed before placing three coupons per cleaner of the same substrate into a Gardner Straight Line Washability (SLW) unit. A Kimberly-Clark Wypal reinforced paper towel was attached to the cleaning sled. The Wypal and each coupon were treated with three sprays and cleaned for 20 cycles (~30 seconds of cleaning). Clean coupons dried for 24 hours before final weights were taken.
Trial Results:
Libman All-Purpose was more effective than Weiman Cooktop at removing Hucker's soil from ceramic, painted metal, and plastic. The overall percent removal average for Libman All Purpose was 97.63% while Weiman Cooktop Cleaner had an overall average of 94.85%.
Cleaner
Substrate
Initial Wt of Cont.
Final Wt. of Cont.
%Cont Removed
%Average
Overall %Average
Weiman Cooktop Cleaner
Ceramic
0.0737
0.0053
92.81
93.25
94.85
0.0736
0.0060
91.85
0.0714
0.0035
95.10
Plastic
0.1825
0.0046
97.48
97.92
0.1052
0.0027
97.43
0.2682
0.0031
98.84
Painted metal
0.0882
0.0097
89.00
93.37
0.1156
0.0065
94.37
0.2011
0.0066
96.72
Libman All-Purpose
Ceramic
0.0869
0.0023
97.35
96.92
97.63
0.1122
0.0017
98.48
0.0511
0.0026
94.91
Plastic
0.2539
0.0007
99.72
98.70
0.2219
0.0005
99.77
0.1617
0.0055
96.60
Painted metal
0.1777
0.0070
96.06
97.28
0.2165
0.0048
97.78
0.1900
0.0038
98.00
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
Libman All-Purpose Cleaner was more effective than Weiman Cooktop Cleaner at removing Hucker's soil from ceramic, painted metal, and plastic.
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