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Trial Number 1

Trial Purpose:

To evaluate supplied products for all purpose cleaning using manual cleaning

Date Run:

02/24/2014

Experiment Procedure:

Preweighed ceramic, painted steel, and plastic coupons were coated with DCC17 soil using a hand held swab and were 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 L30 reinforced wipe was attached to the cleaning sled and soaked with 1 spray of cleaning solutions with a VWR bottle. Each coupon was sprayed 1 time with the same cleaning solution. The solution was allowed to penetrate for 30 seconds followed by cleaning in the SLW unit for 20 cycles (~30 seconds). Efficiency was calculated for each coupon.

Trial Results:

Cleaner Initial wt Final wt % Removed Average
Chrisal 1%-Ceramic        
  0.9828 0.1454 85.21  
  0.9801 0.2434 75.17  
  0.9923 0.1240 87.50 82.63
Chrisal 1%- Powder coated Alum        
  0.1104 0.0038 96.56  
  0.0896 0.0025 97.21  
  0.1008 0.0068 93.25 95.67
Chrisal 1%- Plastic        
  0.2382 0.0078 96.73  
  0.2235 0.0170 92.39  
  0.2210 0.0197 91.09 93.40
Chrisal 2%-Ceramic        
  0.9214 0.1914 79.23  
  0.9862 0.2499 74.66  
  0.9597 0.1982 79.35 77.75
Chrisal 2%- Powder coated Alum        
  0.1131 0.0112 90.10  
  0.0712 0.0070 90.17  
  0.1271 0.0074 94.18 91.48
Chrisal 2%- Plastic        
  0.1615 0.0128 92.07  
  0.1901 0.0162 91.48  
  0.1779 0.0317 82.18 88.58
Chrisal 3%-Ceramic        
  0.9886 0.1638 83.43  
  0.9457 0.2148 77.29  
  1.0005 0.1717 82.84 81.19
Chrisal 3%- Powder coated Alum        
  0.2925 0.0135 95.38  
  0.1693 0.0098 94.21  
  0.1994 0.0103 94.83 94.81
Chrisal 3%- Plastic        
  0.1341 0.0131 90.23  
  0.2424 0.0190 92.16  
  0.1064 -0.0036 103.38 95.26
409-Ceramic        
  0.9246 0.1971 78.68  
  0.9119 0.3182 65.11  
  1.0045 0.4049 59.69 67.83
409- Powder coated Alum        
  0.2339 0.0237 89.87  
  0.4105 0.0139 96.61  
  0.1376 0.0106 92.30 92.93
409- Plastic        
  0.2769 0.0186 93.28  
  0.1347 0.0165 87.75  
  0.2261 0.0068 96.99 92.68

Success Rating:

Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.

Conclusion:

Each product has shown a very similar high level of cleaning, with Chrisal outperforming the Clorox in every instance. The spread of results for Chrisal at different dilutions shows that there is a minimal difference between the lower concentrations of Chrisal.

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