To test Libman Multi-Surface Disinfecting Cleaner in the removal of Hucker's Soil from various substrates.
Date Run:
10/27/2021
Experiment Procedure:
3 coupons of each substrate (ceramic, plastic, painted metal) were collected and their initial weights were taken. Hucker's Soil (Creamy Peanut Butter, Salted Butter, Wheat gluten, Egg Yolk, Evaporated milk, DI water, Printer's ink with boiled linseed oil, India Ink, Saline Solution) was applied to each coupon and allowed to air dry for 2 hours. After the 2 hour dry time, the weights of the newly contaminated coupons were measured. All coupons were placed into a Gardner-scrub Abrasion Tester machine. Wypall cleaning cloths were attached to each of the 3 cleaning blocks used for the test. Each Wypall cloth and all coupons received 2 sprays of the Libman Multi-Surface Disinfecting Cleaner and the Gardner-scrub Abrasion Tester was run for 20 repetitions, simulating 20 manual wipes. Once cleaning had concluded, the cleaned coupons were allowed to air dry for 24 hours. After 24 hours, the weights of the cleaned coupons were measured.
Trial Results:
Cleaner
Substrate
Initial wt. of Cont.
Final wt. of Cont
%Cont Removed
% Average
% Overall
Libman Multi-Surface Disinfecting Cleaner
Ceramic
0.5089
0.0289
94.32
92.51
93.02
0.5420
0.0403
92.56
0.5585
0.0523
90.64
Plastic
0.5077
0.0473
90.68
90.51
0.5012
0.0267
94.67
0.5477
0.0757
86.18
Chrome
0.5191
0.0239
95.40
96.03
0.5468
0.0162
97.04
0.5268
0.0229
95.65
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 Multi-Surface Disinfecting Cleaner was effective in the removal of Hucker's Soil from ceramic, painted metal, and plastic substrates.
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