To evaluate three supplied products for bathroom cleaning following GS 37 requirements
Date Run:
07/11/2008
Experiment Procedure:
Two of the three supplied cleaning product were diluted to vendor recommended concentrations for bathroom cleaning using DI water (32:1 and 128:1%). The third product was prepared following the specified procedure - oxygenating cold tap water for about 10 minutes.
Preweighed fiberglass, ceramic, chrome and composite floor tiles coupons were coated with SSL Soil 1 (Bathroom soap scum: Vaseline Dry Skin Lotion 21.4%, Dial Clean Rinsing Body Wash 14.3%, Market Basket Shampoo & Conditioner (Pert)28.6%, Soft Soap Natural Liquid hand soap 21.4%, Coast Deodorant bar soap 7.2% and Water 7.1%) using a handheld 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.
Trial Results:
All three products were successful in removing the bathroom soil from the four substrates. Overall efficiencies were above 90%. The table lists the amount of soil added, the amount remaining after cleaning and the calculated efficiency for each coupon cleaned.
Substrate
Cleaner
Initial wt
Final wt
% Removed
ceramic
Lotus
0.3671
0.1062
71.07
0.2130
0.0394
81.50
0.2677
0.0200
92.53
ceramic
Pleascent
0.2195
0.0100
95.44
0.1925
0.0017
99.12
0.2007
0.0006
99.70
ceramic
Compass
0.0947
0.0062
93.45
0.2045
0.0187
90.86
0.1395
0.0064
95.41
chrome
Lotus
0.1733
0.0066
96.19
0.1910
0.0050
97.38
0.1328
0.0055
95.86
chrome
Pleascent
0.2044
0.0295
85.57
0.2579
0.0465
81.97
0.3367
0.1314
60.97
chrome
Compass
0.2222
0.0096
95.68
0.1072
0.0127
88.15
0.2188
0.0071
96.76
fiberglass
Lotus
0.2320
0.0187
91.94
0.1619
0.0009
99.44
0.2008
0.0071
96.46
fiberglass
Pleascent
0.1435
0.0139
90.31
0.3196
0.0075
97.65
0.2581
0.0280
89.15
fiberglass
Compass
0.2619
0.0012
99.54
0.2055
0.0028
98.64
0.2147
0.0186
91.34
composit tile
Lotus
0.1480
0.0014
99.05
0.1094
0.0094
91.41
0.0829
0.0042
94.93
composit tile
Pleascent
0.0856
0.0005
99.42
0.1355
0.0123
90.92
0.2460
0.0248
89.92
composit tile
Compass
0.1578
0.0116
92.65
0.1556
0.0157
89.91
0.1232
0.0110
91.07
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The Lotus Sanitizing System was found to be effective for removing the bathroom soil from various surfaces using manual wiping. It compared well to the two other cleaning products supplied for testing.
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