To evaluate two Do-It-Yourself formulation following kit instructions for glass cleaning
Date Run:
04/17/2008
Experiment Procedure:
The supplied cleaning product was used at the recommended concentrations. Two products were included for comparison and were used at the ready to use concentration.
Preweighed chrome and glass coupons were coated with SSL Soil 2 (Glass soap scum: Water 51.5%, Hair gel 25.6%, Toothpaste 10.4%, Shaving cream 5.3%, Hair spray 3.7% and Spray deodorant 3.5%) 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 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 5 cycles (~10 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded, and efficiencies recorded.
Trial Results:
Only the EZ Clean Green Soft Scrub cleaner had difficulty cleaning the glass soap scum. The coupons cleaned with this product left behind a lot of residue. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Clorox Green Works All Purpose
0.1042
0.0024
97.70
Glass
0.1315
0.0074
94.37
0.0976
0.0076
92.21
0.1007
0.0285
71.70
Chrome
0.1088
0.0240
77.94
0.0683
0.0153
77.60
Clorox Green Works Glass & Surface
0.0783
0.0059
92.46
Glass
0.1183
0.0034
97.13
0.1345
0.0028
97.92
0.1021
0.0184
81.98
Chrome
0.0910
0.0147
83.85
0.1186
0.0237
80.02
EZ Clean Green Vinegar Cleaning Spray
0.0774
0.0092
88.11
Glass
0.1338
0.0105
92.15
0.1040
0.0092
91.15
0.1303
0.0224
82.81
Chrome
0.1207
0.0154
87.24
0.1072
0.0169
84.24
EZ Clean Green Soft Scrub
0.2001
0.6296
-214.64
Glass
0.1125
0.3528
-213.60
0.1499
0.3346
-123.22
0.0753
0.9709
-1189.38
Chrome
0.0754
0.6797
-801.46
0.0973
0.6621
-580.47
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The Soft Scrub did not perform well on the glass surface without any kind of water wiping. The other three products had overall average efficiencies over 85% and would be considered effective based on the SSL testing methodology.
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