To evaluate three supplied products for bathroom cleaning as part of three part experiment to evaluate product at one concentration for multiple cleaning tasks.
Date Run:
06/02/2011
Experiment Procedure:
The selected cleaning products were used at the recommended concentration (2.4%). Pre-weighed chrome, ceramic and fiberglass, coupons were coated with SSL Soil 2 (Bathroom soap scum: All-in-one shampoo and conditioner, Dry skin lotion, Liquid hand soap, Liquid body wash, Deodorant bar soap and water) 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 Wypall X60 reinforced wipe 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 solution was allowed to penetrate for 30 seconds followed by cleaning in the SLW unit for 20 cycles (~33 seconds). In this test, coupon was not rinsing and wiped after cleaning process to represent the realistic cleaning performance. Final weights were recorded and efficiencies were calculated and recorded.
Trial Results:
One of the selected product (MD Stetson 101) removed over 90% of the bathroom soap scum soil from the surfaces using manual cleaning. The other products removed 83% of the bathroom soap scum. Visually, all bathroom sumps were removed clearly, but some of the cleaner residue were remained on coupons. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
MD Stetson 220 chrome
0.0472
0.0016
96.61
0.0488
0.0014
97.13
0.1050
0.0012
98.86
MD Stetson 220 Ceramic
0.0888
0.0224
74.77
0.0541
0.0008
98.52
0.0411
0.0159
61.31
MD Stetson 220 Fiberglass
0.1938
0.0478
75.34
0.1610
0.0470
70.81
0.1992
0.0433
78.26
DFE 401 chrome
0.0515
0.0059
88.54
0.0494
0.0043
91.30
0.1169
0.0017
98.55
DFE 401 Ceramic
0.1388
0.0359
74.14
0.1087
0.0278
74.43
0.1518
0.0241
84.12
DFE 401 Fiberglass
0.2166
0.0456
78.95
0.1825
0.0391
78.58
0.1670
0.0437
73.83
MD Stetson 101
0.0606
0.0056
90.76
0.0506
0.0040
92.09
0.1238
0.0044
96.45
MD Stetson 101 Ceramic
0.1245
0.0002
99.84
0.0868
0.0001
99.88
0.0582
0.0003
99.48
MD Stetson 101 Fiberglass
0.1904
0.0235
87.66
0.0822
0.0291
64.60
0.1645
0.0237
85.59
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The MD Stetson PC 101 Neutral & Glass Cleaner had an overall average efficiency over 90% and performed better than the both the comparative products. This product also was the most effective on the all purpose soil. Next phase will be to evaluate products on glass cleaning at the same concentration.
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