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Trial Number 0

Client Number 388

Project Number 5

Trial Purpose:

To evaluate 11 supplied samples and one competitor sample for an all purpose cleaning efficacy test.

Date Run:

02/02/2016

Experiment Procedure:

Nine coupons for each sample (three ceramic, three plastic, and three painted steel) were weighed for initial weights. Using a swab, coupons were then dirtied with .5 grams of DCC17 and air dried at 68F overnight.

Dirty weights were then collected the next day and cleaning samples were placed into a lab testing spray bottle. 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 two sprays of cleaning solutions. Each coupon was sprayed two times 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 of cleaning).

Coupons were placed back on the tray and then weighed for a final weight. If coupon's gravimetric final results were off, coupons were reweighed the next day to allow for air drying.

Trial Results:

Cleaner Substrate Initial Wt. Final Wt. %Cont Removed %Average %Overall

NAPCD-5             
‘1:128   Initial wt Final wt Removal Average Overall Ave
  Ceramic 0.5137 0.1062 79.33 90.35  
    0.5566 0.0627 99.41    
    0.5179 0.0398 92.32    
  Plastic 0.5457 0.1549 71.61 91.48 91.18
    0.543 0.0417 92.32    
    0.5067 -0.0532 110.5    
  Painted Steel  0.5111 0.033 93.54 91.72  
    0.535 0.0308 94.24    
    0.5353 0.0676 87.37    
NAPCD-5            
‘1:64            
  Ceramic 0.5337 0.0395 92.6 91.35  
    0.5458 0.0585 89.28    
    0.5427 0.0425 92.16    
  Plastic 0.5627 0.0274 95.13 94.04 92.81
    0.5222 0.0186 96.43    
    0.5119 0.0483 90.56    
  Painted Steel  0.5122 0.0268 94.76 93.06  
    0.5372 0.026 95.16    
    0.5353 0.0575 89.25    
NAPCD-6            
‘1:64            
  Ceramic 0.4665 0.0936 79.93 72.69  
    0.4128 0.1383 66.49    
    0.4552 0.129 71.66    
  Plastic 0.5251 0.1136 78.36 80.71 75.86
    0.5334 0.1206 77.39    
    0.5128 0.0698 86.38    
  Painted Steel 0.5057 0.1099 78.26 74.18  
    0.4957 0.1481 70.12    
    0.5416 0.14 74.15    
NAPCD-6            
‘1:128            
  Ceramic 0.5825 0.0853 85.35 87.74  
    0.5813 0.1109 80.92    
    0.5371 0.0163 96.96    
  Plastic 0.5286 0.1594 69.84 75.08 84.53
    0.5722 0.1328 76.79    
    0.5298 0.1133 78.61    
  Painted Steel 0.4856 0.034 92.99 90.76  
    0.5792 0.0713 87.68    
    0.5058 0.0424 91.61    
NAPCD-7            
‘1:64            
  Ceramic 0.3843 0.0547 85.76 92.15  
    0.3561 0.006 98.31    
    0.411 0.0313 92.38    
  Plastic 0.4295 0.0121 97.18 95.84 93.74
    0.4394 0.0296 93.26    
    0.4268 0.0124 97.09    
  Painted Steel 0.4781 0.0195 95.92 93.25  
    0.4235 0.0351 91.71    
    0.3972 0.0312 92.14    
NAPCD-8            
‘1:64            
  Ceramic 0.2802 -0.0138 104.92 99.1  
    0.3755 0.0089 97.62    
    0.3959 0.0208 94.74    
  Plastic 0.476 0.0399 91.61 88.42 99.84
    0.373 0.0389 89.57    
    0.3879 0.0617 84.09    
  Painted Steel 0.3249 0.0107 96.7 96.16  
    0.3238 0.0053 98.36    
    0.3508 0.0231 93.41    
NAPCD-8            
‘1:128            
  Ceramic 0.3934 0.0377 90.41 96.55  
    0.3774 0.0024 99.36    
    0.4658 0.0158 96.6    
  Plastic 0.4098 0.0007 99.82 95.45 96.34
    0.4936 0.0052 98.94    
    0.3886 0.0482 87.59    
  Painted Steel 0.2911 -0.0111 103.81 97.03  
    0.4274 0.0377 91.17    
    0.5088 0.0198 96.1    
7th Generation            
All Purpose            
  Ceramic 0.5902 0.0335 94.32 90.97  
    0.2096 0.0264 87.4    
    0.3391 0.0299 91.18    
  Plastic 0.4997 0.16 67.98 81.48 88.94
    0.4034 0.0204 94.94    
    0.3435 0.0634 81.54    
  Painted Steel 0.3595 -0.001 100.27 94.95  
    0.2565 0.0445 82.65    
    0.226 -0.0044 101.94    
DG-23            
‘1:64            
  Ceramic 0.5059 0.0712 85.92 81.61  
    0.4363 0.0726 83.36    
    0.4068 0.0994 75.56    
  Plastic 0.4297 0.0454 89.43 81.22 84.49
    0.4948 0.0576 88.35    
    0.4459 0.1522 65.86    
  Painted Steel 0.4471 0.036 91.94 90.64  
    0.4056 0.0377 90.7    
    0.4389 0.047 89.29    
DG-23            
‘1:128            
  Ceramic 0.4471 0.0696 84.43 85.22  
    0.409 0.0994 75.69    
    0.3929 0.0176 95.52    
  Plastic 0.4005 0.0535 86.64 84.59 86.95
    0.4096 0.1162 71.63    
    0.3842 0.0172 95.52    
  Painted Steel 0.428 0.0374 91.26 91.05  
    0.4435 0.0257 94.2    
    0.3442 0.0424 87.68    

Success Rating:

Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.

Conclusion:

The cleaner that performed the best for removal of DCC17 was NAPCD-8 1:64. NAPCD-6 1:64 performed the worst at removing DCC17. In comparison to the competitor sample 7th Generation All Purpose Cleaner, both dilution versions of NAPCD-5, NAPCD-7, NAPCD-8 performed equal or better.

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