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Trial Number 2

Client Number 321

Project Number 1

Trial Purpose:

To evaluate aerosol glass cleaners for soap scum removal

Date Run:

06/02/2009

Experiment Procedure:

Preweighed glass and chrome 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 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 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 were calculated and recorded.

Trial Results:

The table lists the amount of soil initially added and the amount remaining after cleaning and the product efficiency for each coupon cleaned. Visual observations for streaking and filming are recorded in the second table.

Cleaner Initial wt Final wt % Removed Streaking Rating Film/Smear Rating
Amrep A0122_Glass 
  0.0668 0.0002 99.70 none 4 no film 4
  0.0051 0.0000 100.00 none  4 no film 4
  0.0074 0.0003 95.95 very little <25% 3 no film 4
Amrep A0122_Chrome 
  0.0103 0.0000 100.00        
  0.0149 0.0004 97.32        
  0.0135 0.0000 100.00        
Amrep A00124_Glass 
  0.0069 -37.6499 545750.72        
  0.0079 -37.5557 475488.61        
  0.0091 -37.5920 413198.90        
Amrep A00124_Chrome 
  0.0190 -21.7713 114685.79        
  0.0098 -21.7405 221941.84        
  0.0080 -21.7230 271637.50        
3M Glass Cleaner_Glass 
  0.0071 0.0000 100.00 Some 25% 2 no film 4
  0.0068 0.0001 98.53 very little <25% 3 no film 4
  0.0076 0.0001 98.68 very little <25% 3 no film 4
3M Glass Cleaner_Chrome 
  0.0090 0.0001 98.89        
  0.0066 0.0000 100.00        
  0.0099 0.0001 98.99        
Spartan Glass Cleaner_Glass 
  0.0151 0.0003 98.01 none 4 Some 25% 2
  0.0127 0.0004 96.85 none 4 Some 25% 2
  0.0077 0.0008 89.61 none 4 Some 25% 2
Spartan Glass Cleaner_Chrome 
  0.0062 0.0001 98.39        
  0.0069 0.0000 100.00        
  0.0058 0.0000 100.00        
Claire Gleme_Glass 
  0.0075 0.0005 93.33 very little <25% 3 no film 4
  0.0054 0.0009 83.33 Some 25% 4 no film 4
  0.0097 0.0005 94.85 Some 25% 4 no film 4
Claire Gleme_Chrome 
  0.0070 0.0003 95.71        
  0.0067 0.0001 98.51        
  0.0094 0.0000 100.00        
Johnson Windex_Glass 
  0.0062 0.0003 95.16 Some 25% 2 Some 25% 2
  0.0054 0.0002 96.30 Some 25% 2 Some 25% 2
  0.0068 0.0013 80.88 Some 25% 2 Some 25% 2
Johnson Windex_Chrome
  0.0126 0.0009 92.86        
  0.0124 0.0000 100.00        
  0.0155 0.0001 99.35        

Success Rating:

A follow up test, usually based on company input.

Conclusion:

All six products removed over 85% of the glass soap scum. Four of the six received good to best ratings. The 3M and Windex both had scores below 3. Four of the six products received the best ranking for filming. The Spartan and Windex products received the second lowest score for filming. The Aspire product had the second best cleaning efficiency and streaking. The product left no residue behind.

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