To reevaluate supplied product as compared to a conventional cleaning product of bathroom cleaning following GS 37 standard.
Date Run:
12/23/2008
Experiment Procedure:
The supplied cleaning product was used at the requested concentration (5%) 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 follow up test resulted in the Super H2O2 having a higher efficiency than the Formula 409 All Purpose cleaner. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Super H2O2 - ceramic
0.0309
0.0052
83.17
0.0168
0.0020
88.10
0.0456
0.0036
92.11
Super H2O2 - chrome
0.0218
0.0013
94.04
0.0357
0.0006
98.32
0.0344
0.0010
97.09
Super H2O2 - fiberglass
0.1280
0.0037
97.11
0.0375
0.0040
89.33
0.1036
0.0109
89.48
Comet Bathroom - ceramic
0.4278
0.1204
71.86
0.0127
0.0034
73.23
0.0191
0.0041
78.53
Comet Bathroom - chrome
0.0259
0.0027
89.58
0.0198
0.0015
92.42
0.0289
0.0032
88.93
Comet Bathroom - fiberglass
0.0109
0.0018
83.49
0.0280
0.0015
94.64
0.0159
0.0030
81.13
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The supplied product did have an overall average efficiency greater than 85% and outperformed the conventional cleaner, thus meeting the requirements for effective cleaning for the SSL and GS 37 methods.
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