To evaluate supplied product for bathroom cleaning on three substrates.
Date Run:
07/11/2006
Experiment Procedure:
The supplied cleaning products were diluted to vendor recommended concentration for bathroom cleaning (30:1, 20:1, 20:1, 10:1). The product was diluted with DI water.
Twelve preweighed fiberglass, three ceramic and three chrome 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 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 Professional Painter's Rag 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:
Each product had some difficulty removing the bathroom soap scum from the ceramic coupons. The table lists the amount of soil added, the amount remaining and the percent removed for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Degreaser Ceramic
0.2104
0.0408
80.61
0.2807
0.0658
76.56
0.2198
0.0438
80.07
Toilet Bowl Ceramic
0.1163
0.0264
77.30
0.2187
0.0509
76.73
0.1002
0.0291
70.96
RTU Bathroom Ceramic
0.1063
0.0406
61.81
0.1103
0.0279
74.71
0.0789
0.0197
75.03
Heavy Duty Ceramic
0.1525
0.0532
65.11
0.1486
0.0271
81.76
0.1561
0.0399
74.44
Degreaser Chrome
0.2294
0.0152
93.37
0.1822
0.0107
94.13
0.1736
0.0191
89.00
Toilet Bowl Chrome
0.1086
0.0115
89.41
0.1281
0.0122
90.48
0.1273
0.0144
88.69
RTU Bathroom Chrome
0.1204
0.0052
95.68
0.1536
0.0082
94.66
0.1253
0.0114
90.90
Heavy Duty Chrome
0.1516
0.0083
94.53
0.1316
0.0062
95.29
0.1295
0.0054
95.83
Degreaser Fiberglass
0.1657
0.0132
92.03
0.1053
0.0188
82.15
0.1642
0.0182
88.92
Toilet Bowl Fiberglass
0.2130
0.0147
93.10
0.1033
0.0142
86.25
0.2034
0.0091
95.53
RTU Bathroom Fiberglass
0.1340
0.0121
90.97
0.1759
0.0149
91.53
0.2003
0.0267
86.67
Heavy Duty Fiberglass
0.1771
0.0150
91.53
0.1055
0.0139
86.82
0.1517
0.0151
90.05
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The products were successful in removing at least 85% of the applied soil.
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