To evaluate supplied product for GS 37 bathroom cleaning.
Date Run:
11/25/2008
Experiment Procedure:
The supplied cleaning product was used at the requested concentration and a second product, selected by the lab, was diluted with DI water to vendor recommended dilution for bathroom cleaning.
Preweighed chrome coupons were coated with SSL Soil 1 (Bathroom soap scum: All-in-one shampoo and conditioner 28.6%, Dry skin lotion 21.4%, Liquid hand soap 21.4%, Liquid body wash 14.3%, 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 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 solution was allowed to penetrate for 30 seconds followed by cleaning in the SLW unit 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:
The industry standard product was effective in removing the bathroom soil with a manual wiping action. The supplied product was effective on 2 of the three substrates. The table lists the amount of soil initially added and the amount remaining after cleaning and the product efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
H2O2-ceramic
0.2287
0.0590
74.20
0.1961
0.0514
73.79
0.2282
0.0425
81.38
H2O2-chrome
0.0950
0.0072
92.42
0.2121
0.0331
84.39
0.1404
0.0162
88.46
H2O2-fiberglass
0.0776
0.0068
91.24
0.1270
0.0202
84.09
0.2257
0.0444
80.33
Heavy Duty-ceramic
0.2088
0.0431
79.36
0.1525
0.0402
73.64
0.2057
0.0519
74.77
Heavy Duty-chrome
0.1548
0.0201
87.02
0.1024
0.0152
85.16
0.1142
0.0193
83.10
Heavy Duty-fiberglass
0.1695
0.0085
94.99
0.1109
0.0064
94.23
0.2153
0.0150
93.03
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The supplied product did not have an overall average efficiency greater than 85% and would not be considered effective based on the SSL testing methodology.
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