To evaluate the cleaning ability of supplied product for toilet cleaning against similar products
Date Run:
12/16/2010
Experiment Procedure:
Pre-weighed ceramic, porcelain coupons were coated with Hucker's Soil Formulation (Jiffy creamy peanut butter, salted butter, Arrowhead Mills stone ground wheat flour, egg yolk, evaporated milk, distilled water, printer's ink with boiled linseed oil, Shaws saline solution) using a hand held swab and allowed to dry for 24 hours at room temperature. The contaminated coupons were weighed again to determine the amount of soil added.
Three coupons were placed into a Gardner Straight Line Washability unit. A Kimberly-Clark Wypal reinforced paper towel was attached to the cleaning sled and soaked with 5-7 sprays of cleaning solutions. Each coupon was sprayed 7-10 times with the same cleaning solution. The cleaning unit was run for 20 cycles (~33 seconds).
At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded, efficiencies were calculated and recorded.
Products were selected based on toilet bowl cleaning needs and health and safety options.
Trial Results:
The current TMI product beings used for toilet bowl cleaning had the best performance for the removal of the Hucker's soil using manual wiping. The PC 120 from MD Stetson had the next most effective product. The table lists the amount of soil added, the amount remaining and the percent effectiveness for the four product tested.
Cleaner
Initial wt
Final wt
% Removed
Ave
Overall Ave
TMI Toilet Bowl - ceramic
0.0568
0.0060
89.44
91.97
95.13
0.0490
0.0012
97.55
0.0541
0.0060
88.91
TMI Toilet Bowl - porcelain
0.0623
0.0006
99.04
98.30
0.0394
0.0001
99.75
0.0412
0.0016
96.12
Tough Job - cermaic
0.0686
0.0125
81.78
80.35
89.05
0.0774
0.0177
77.13
0.1036
0.0185
82.14
Tough Job - porcelain
0.0457
0.0026
94.31
97.74
0.0524
-0.0003
100.57
0.0667
0.0011
98.35
7th Generation All Purpose - ceramic
0.0734
0.0165
77.52
81.57
88.22
0.0513
0.0129
74.85
0.0899
0.0069
92.32
7th Generation All Purpose - porcelain
0.0591
0.0073
87.65
94.87
0.0467
0.0006
98.72
0.0397
0.0007
98.24
PC120 - ceramic
0.0747
0.0086
88.49
87.09
90.29
0.1015
0.0160
84.24
0.0944
0.0108
88.56
PC120 - porcelain
0.0505
0.0010
98.02
93.49
0.0629
0.0027
95.71
0.0641
0.0085
86.74
Success Rating:
A follow up test, usually based on company input.
Conclusion:
A follow up test will be conducted on the same products to determine hard water stain removal.
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