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Trial Number 11

Trial Purpose:

To evaluate aerosol glass/surface cleaners for vertical adhesion to glass surface

Date Run:

06/05/2009

Experiment Procedure:

A large glass window was cleaned using Green Works Glass Cleaner from Clorox to ensure uniform clean surface. Once dry each of the test aerosol products were sprayed for 1-2 seconds onto the surface. A timer was started to determine the time the cleaner took to travel 1 foot (30 cm). A second observation was made to see how much movement was achieved for the products for a total of 2 minute. At the end of 2 minutes the distance traveled by the product was recorded.

For products that need more than 1 minute to travel the 30 cm, time will be recorded as greater than 2 minutes and receive a score of excellent. For products that run down the entire length of the window (4 feet) in less than the 2 minutes, the distance will be recorded as greater than 4 feet and will receive a score of poor.

Time rating  
120 Excellent
60 Good
30 Okay
15 Fair
<15 Poor
   
Distance rating  
<1 Excellent
1 Good
2 Okay
3 Fair
4 Poor

Trial Results:

All but one product (Windex), had good to excellent vertical cling as determined by the length of time needed to travel one foot and how far the sprayed product traveled in 2 minutes. The table lists the time and distances for each product.

Product Class Product Time for 1 foot Rating Distance in 2 minutes Rating
Glass A00122 2 min 1 12 2
    > 2 min 1 7 1
    > 2 min 1 4.5 1
  Product Average   1   1.3
  A00124        
           
           
  Product Average        
  3M GLASS CLEANER 1 min 36 sec 1 19.5 2
    1 min 29 sec 1 20 2
    1 min 37 sec 1 16 2
  Product Average   1   2.0
  SPARTAN GLASS CLEANER >2 min 1 9 1
    >2 min 1 3 1
    2 min 1 12 2
  Product Average   1   1.3
  CLAIRE GLEME >2 min 1 10.5 2
    >2 min 1 10.5 2
    1 min 55 sec 1 14 2
  Product Average   1   2.0

Success Rating:

A cleanliness study, addressing only various analytical techniques.

Conclusion:

Amrep Aspire and Spartan had the top performing products for glass cling testing.

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