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Trial Number 42

Trial Purpose:

To evaluate requested products for all purpose soil removal

Date Run:

10/22/2007

Experiment Procedure:

The supplied cleaning products were used at full strength.
Preweighed fiberglass, ceramic and chrome coupons were coated with SSL Soil 3 (Hucker's Soil: Distilled water 45.8%, Evaporated milk 13.8%, Creamy peanut butter 9.2%, Salted butter 9.2%, Stone ground wheat flour 9.2%, Egg yolk 9.2%, Printer's ink with boiled linseed oil 0.9% and Saline solution 2.7%.) 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 WypAll X60 reinforced wipe 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 cleaning unit was run for 20 cycles (~33 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded. Efficiencies were calculated and recorded.

Trial Results:

The top cleaning product removed less than 70% of the all purpose Hucker's soil. The table lists the amount of soil added, the amount remaining, the efficiency for each coupon cleaned and the average removal from each substrate type.

Cleaner Substrate Initial wt Final wt % Removed Ave %  
Clorox  Painted Steel 0.0777 0.0145 81.34   67.21
    0.0742 0.0148 80.05 67.60  
    0.05 0.0293 41.40    
  Plastic 0.0633 0.0136 78.52    
    0.0778 0.0193 75.19 76.61  
    0.0766 0.0183 76.11    
  Ceramic 0.0799 0.0226 71.71    
    0.0536 0.0436 18.66 57.42  
    0.1083 0.0196 81.90    
Countertop Painted Steel 0.0422 0.0022 94.79   68.85
    0.0663 0.0013 98.04 97.26  
    0.1348 0.0014 98.96    
  Plastic 0.0629 0.0236 62.48    
    0.0433 0.0149 65.59 65.70  
    0.0936 0.029 69.02    
  Ceramic 0.056 0.0304 45.71    
    0.0479 0.0341 28.81 43.58  
    0.0749 0.0328 56.21    
Seventh Kitchen Painted Steel 0.0905 0.0364 59.78   57.36
    0.0809 0.0195 75.90 71.63  
    0.0881 0.0183 79.23    
  Plastic 0.0424 0.0099 76.65    
    0.0536 0.0134 75.00 72.44  
    0.0533 0.0183 65.67    
  Ceramic 0.0569 0.0431 24.25    
    0.0461 0.0299 35.14 28.01  
    0.0357 0.0269 24.65    
Soft Scrub Painted Steel 0.0631 0.0514 18.54   53.63
    0.0876 0.0528 39.73 32.98  
    0.088 0.0522 40.68    
  Plastic 0.1369 0.0894 34.70    
    0.0501 0.0176 64.87 47.22  
    0.1578 0.0914 42.08    
  Ceramic 0.0525 0.0124 76.38    
    0.124 0.0203 83.63 80.69  
    0.0513 0.0092 82.07    
Formula 409 Painted Steel 0.598 0.3905 34.70   61.52
    0.7718 0.3876 49.78 33.55  
    1.0207 0.8555 16.18    
  Plastic 0.5136 0.1533 70.15    
    0.5557 0.0468 91.58 67.51  
    0.5161 0.3056 40.79    
  Ceramic 0.1013 0.0225 77.79    
    1.0084 0.1184 88.26 83.49  
    0.235 0.0366 84.43    
Meyer All Purpose Painted Steel 0.6896 0.2864 58.47   53.43
    0.3672 0.161 56.15 56.26  
    0.9362 0.4292 54.16    
  Plastic 0.6708 0.4374 34.79    
    0.4205 0.1947 53.70 41.91  
    1.0288 0.6458 37.23    
  Ceramic 0.3252 0.1231 62.15    
    0.3762 0.0788 79.05 62.11  
    0.3796 0.2083 45.13    
Seventh All Purpose Painted Steel 0.6129 0.5633 8.09   54.35
    0.6432 0.4778 25.72 33.00  
    0.2955 0.1029 65.18    
  Plastic 0.5848 0.1451 75.19    
    0.5566 0.2561 53.99 67.93  
    0.3685 0.0935 74.63    
  Ceramic 0.1603 0.0688 57.08    
    0.2917 0.0744 74.49 62.12  
    0.1858 0.084 54.79    
DFC General Spray Painted Steel 0.6528 0.5213 20.14   44.39
    1.0583 0.9114 13.88 15.01  
    0.9087 0.8087 11.00    
  Plastic 0.6796 0.677 0.38    
    0.4263 0.0996 76.64 50.20  
    0.5838 0.1543 73.57    
  Ceramic 0.2305 0.0678 70.59    
    0.1595 0.021 86.83 67.96  
    0.4391 0.2351 46.46    
DFC Kitchen Painted Steel 0.8085 0.7164 11.39   47.05
    0.6122 0.4466 27.05 20.05  
    0.9331 0.7306 21.70    
  Plastic 0.3471 0.0417 87.99    
    0.4372 0.0605 86.16 73.04  
    0.4118 0.2266 44.97    
  Ceramic 0.245 0.2331 4.86    
    0.2466 0.1203 51.22 48.06  
    0.1615 0.0192 88.11    
Comet Painted Steel 0.5219 0.4405 15.60   44.84
    0.4049 0.2195 45.79 23.66  
    1.1585 1.0474 9.59    
  Plastic 0.4987 0.2451 50.85    
    0.3944 0.1691 57.12 62.75  
    0.4181 0.0825 80.27    
  Ceramic 0.4627 0.3534 23.62    
    0.3851 0.1555 59.62 48.11  
    0.1344 0.0523 61.09    
Meyer Shower Painted Steel 0.6836 0.4878 28.64   50.67
    0.8661 0.5147 40.57 33.32  
    0.8864 0.6138 30.75    
  Plastic 0.4872 0.4273 12.29    
    0.4589 0.091 80.17 63.28  
    0.4891 0.0128 97.38    
  Ceramic 0.3623 0.2826 22.00    
    0.262 0.0837 68.05 55.40  
    0.2955 0.0705 76.14    
Seventh Bathroom Painted Steel 0.2937 0.2195 25.26   60.40
    0.3137 0.0299 90.47 64.12  
    0.5785 0.1352 76.63    
  Plastic 0.2766 0.1338 51.63    
    0.7681 0.038 95.05 69.66  
    0.7137 0.2691 62.30    
  Ceramic 0.3974 0.2989 24.79    
    0.1891 0.1222 35.38 47.43  
    0.3001 0.0536 82.14    
DFC Polish Painted Steel 0.5494 0.5428 1.20   16.00
    0.6986 0.6153 11.92 8.77  
    0.5838 0.5068 13.19    
  Plastic 0.6641 0.4463 32.80    
    0.6208 0.2722 56.15 30.25  
    0.8604 0.845 1.79    
  Ceramic 0.4921 0.4322 12.17    
    0.4234 0.3754 11.34 8.98  
    1.0207 0.9856 3.44    

Success Rating:

A follow up test, usually based on company input.

Conclusion:

None of the products evaluated were found to be effective. Upon review of the trial, the soil formulation was very old (over 1 year) which may have affected the cleaning performance for the conditions typically used for all purpose cleaning.

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