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Trial Number 0

Trial Purpose:

To evaluate supplied products for all purpose cleaning using manual cleaning

Date Run:

03/11/2014

Experiment Procedure:

Preweighed ceramic, painted steel, and plastic coupons were coated with hucker soil using a hand held swab and were allowed to dry for 2 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:

  Initial wt Final wt % Removed Average
Chrisal 1%-Ceramic        
  0.5769 0.3632 37.04  
  0.6133 0.4229 31.05  
  0.6127 0.4257 30.52 32.87
Chrisal 1%- Painted Steel        
  0.6013 0.4078 32.18  
  0.6019 0.4095 31.97  
  0.6430 0.4096 36.30 33.48
Chrisal 1%- Plastic        
  0.6972 0.2206 68.36  
  0.6469 0.5046 22.00  
  0.6740 0.4746 29.58 39.98
Chrisal 2%-Ceramic        
  0.5879 0.4007 31.84  
  0.6002 0.4374 27.12  
  0.6370 0.3907 38.67 32.54
Chrisal 2%- Painted Steel        
  0.6111 0.4222 30.91  
  0.5610 0.2430 56.68  
  0.8728 0.4521 48.20 45.27
Chrisal 2%- Plastic        
  0.6396 0.3833 40.07  
  0.7112 0.4276 39.88  
  0.7179 0.3544 50.63 43.53
Chrisal 3%-Ceramic        
  0.6445 0.4623 28.27  
  0.6535 0.4826 26.15  
  0.6193 0.4493 27.45 27.29
Chrisal 3%- Painted Steel        
  0.6377 0.3928 38.40  
  0.5900 0.4431 24.90  
  0.5476 0.3088 43.61 35.64
Chrisal 3%- Plastic        
  0.3873 0.1783 53.96  
  0.4796 0.2158 55.00  
  0.6409 0.3223 49.71 52.89
409-Ceramic        
  0.6435 0.3881 39.69  
  0.6196 0.4678 24.50  
  0.6305 0.5182 17.81 27.33
409- Painted Steel        
  0.7698 0.1594 79.29  
  0.6756 0.2421 64.17  
  0.6840 0.6019 12.00 51.82
409- Plastic        
  0.6791 0.4780 29.61  
  0.6098 0.3193 47.64  
  0.6554 0.2829 56.84 44.70

Success Rating:

Test incomplete or inconclusive.

Conclusion:

Each product has shown a similar level of unsatisfactory results.  The product with the highest removal efficiency was Clorox 409 at over 41%.

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