The requested cleaning products were diluted to client listed concentration for glass cleaning (0.2%, 10% and 25%). The products were diluted with DI water. Nine preweighed glass coupons were coated with SSL Soil 2 (Glass soap scum: Colgate Regular shaving cream 5.3%, Arid Extra Extra Spray Deodorant 3.5%, Suave Naturals Flexible Hold hair spray 3.7%, Aleeda Texurizing hair gel 25.6% Colgate Total toothpaste 10.4%, Water 51.5%) by pump spraying the mix. The soil was allowed to dry for 24 hours at room temperature. The contaminated coupons were weighed again to determine the amount of soil added. Photographs were taken.
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 5 cycles (~9 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded and a second set of photographs were taken. Efficiencies were calculated and recorded.
Trial Results:
Two products removed over 85% of the soil during the wipe application. The third product removed just under 85%. The table below lists the amount of soil applied and removed from the coupons.
Cleaner
Initial wt
Final wt
% Removed
Bi-O-Kleen AP
0.0500
0.0003
99.40
0.0460
0.0021
95.43
0.0416
0.0029
93.03
Bi-O-Kleen Glass
0.0398
0.0046
88.44
0.0153
0.0046
69.93
0.0546
0.0058
89.38
Clean Env N-13
0.0550
0.0040
92.73
0.0647
0.0093
85.63
0.0443
0.0073
83.52
Success Rating:
A follow up test, usually based on company input.
Conclusion:
A fourth and fifth product will be tested under the same conditions when it arrives at the laboratory.
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