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Trial Number 0

Trial Purpose:

To evaluate supplied products for all purpose cleaning using manual cleaning

Date Run:

08/06/2015

Experiment Procedure:

Soil Preparation: A mixture of three cooking oils/greases was made. A melt blend of 33% vegetable shortening, 33% lard, 33% vegetable oil and 1% carbon lampblack was made up fresh for the testing.
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 X60 reinforced wipe was attached to the cleaning sled and soaked with 1 spray of water with a VWR bottle. Each coupon was applied with 0.5 gram of powder solution accompanied by a spray of water (~1 mL). The solution was allowed to penetrate for 30 seconds followed by cleaning in the SLW unit for 20 cycles (~30 seconds). An additional wipe cycle was done with one spray of water on each coupon and new Wypall for rinsing purposes. Coupons were let to dry 24 hours before reweighting and efficiency was calculated.

Trial Results:

Cleaner Initial wt Final wt % Removed % Removal  Overall Ave
BB Powder_Ceramic        
  1.0934 0.1292 88.1800  
  1.2777 0.1663 86.9800  
  1.3429 0.1457 89.1500 88.11
BB Powder_Plastic        
  0.7135 0.1667 76.6400  
  0.7695 0.1491 80.6200  
  1.3422 0.1026 92.3600 83.21
BB Powder_Painted Steel        
  1.0436 0.1478 85.8400  
  0.8504 0.1190 86.0100  
  0.7098 0.0655 90.7700 87.54
Comet_Ceramic        
  0.8058 0.0865 89.2700  
  0.8525 0.0790 90.7300  
  0.8530 0.0529 93.8000 91.27
Comet_Plastic        
  0.7946 0.1472 81.4700  
  0.8296 0.1011 87.8100  
  0.9652 0.0597 93.8100 87.70
Comet_Painted Steel        
  0.8425 0.0860 89.7900  
  0.7022 0.0658 90.6300  
  0.7069 0.0634 91.0300 90.48
Ajax_Ceramic        
  0.7694 0.0664 91.3700  
  0.7722 0.0857 88.9000  
  0.7025 0.0631 91.0200 90.43
Ajax_Plastic        
  0.4921 0.0386 92.1600  
  0.7902 0.1080 86.3300  
  0.5852 0.0563 90.3800 89.62
Ajax_Painted Steel        
  0.5939 0.1130 80.9700  
  0.8023 0.0955 88.1000  
  0.8423 0.0407 95.1700 88.08

Success Rating:

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

Conclusion:

All products were effective in removing DCC-17 soil from tested surfaces. Comet had the highest removal efficiency of 89.82% followed closely by Ajax at removal of 89.38%. BrandBuzz had the lowest cleaning efficiency but came very close to the other products at 86.28.

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