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To evaluate supplied products for glass cleaning using manual cleaning
Supplied products were used at room temperature at the requested dilution. Preweighed chrome and three 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 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 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.
Visual observations were made on the coupons for spotting and filming following the general guidelines set forth in the CSPA DCC 09A. Filming is best recognized as "haziness" or overall "milkiness", while streaking is best identified as dried droplets or "spotting", usually found strung together into thin white lines. Each coupon was evaluated separately for filming and streaking, (i.e., product residues without added soil), according to a scale of "1" to "7" with:
7 = high filming 7 = high streaking poor (performance)
1 = no visible filming 1 = no visible streaking (excellent performance)
The supplied product worked better the conventional product at removing the glass soap scum and left less spots and film behind on the glass and mirror surfaces. The table lists the amount of soil added, remaining and efficiency for each coupon cleaned. The table also lists the rating for spotting and filming.
|Cleaner||Initial wt||Final wt||% Removed||Spotting||Filming|
|Windex - glass|
|Windex - mirror|
|Windex - chrome|
|New Leaf Glass Cleaner - glass|
|New Leaf Glass Cleaner - mirror|
|New Leaf Glass Cleaner - chrome|
Success Rating:A follow up test, usually based on company input.
The supplied product had an overall average removal efficiency greater than 85% and worked as well as the conventional cleaning product.