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Trial Number 15

Trial Purpose:

To evaluate the two supplied products for all purpose cleaning using manual cleaning.

Date Run:

01/05/2010

Experiment Procedure:

The supplied cleaning products were used at the delivered concentrations. One product was tested at three concentrations (2, 1, 0.5%) and the second product was used at one dilution (1:600). Preweighed ceramic, plastic and painted steel coupons were coated with Hucker's Soil Formulation (Jif Creamy Peanut Butter 9.2%, Salted Butter 9.2%, Arrowhead Mills stone ground wheat flour 9.2%, Egg Yolk 9.2%, Evaporated milk 13.8%, Distilled water 45.8%, Printer's ink with boiled linseed oil 0.9%, Shaws 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 Klark 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 solution was allowed to penetrate for 30 seconds followed by cleaning in the SLW unit for 20 cycles (~33 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded and efficiencies were calculated and recorded.

Trial Results:

The table lists the amount of soil added and the amount remaining after cleaning and the product efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
PC 120 2% ceramic      
  0.0943 0.004 95.76
  0.263 0.005 98.1
  0.1411 0.0033 97.66
PC 120 2% painted steel      
  0.1261 0.0184 85.41
  0.1503 0.0078 94.81
  0.0928 0.0108 88.36
PC 120 2% plastic      
  0.0845 0.0051 93.96
  0.0742 0.0054 92.72
  0.0396 0.0069 82.58
PC 120 1% ceramic      
  0.084 0.0044 94.76
  0.1118 0.0017 98.48
  0.0359 0.0039 89.14
PC 120 1% painted steel      
  0.2513 0.0066 97.37
  0.0889 0.0083 90.66
  0.0765 0.0108 85.88
PC 120 1% plastic      
  0.0573 0.0089 84.47
  0.0419 0.0033 92.12
  0.07 0.0044 93.71
PC 120 0.5% ceramic      
  0.0762 0.0043 94.36
  0.0484 0.0082 83.06
  0.1137 0.0031 97.27
PC 120 0.5% painted steel      
  0.0546 0.015 72.53
  0.0796 0.0113 85.8
  0.1044 0.016 84.67
PC 120 0.5% plastic      
  0.067 0.0043 93.58
  0.0514 0.0034 93.39
  0.0368 0.002 94.57
PC 101 ceramic      
  0.1071 0.0069 93.56
  0.0761 0.0128 83.18
  0.0299 0.0057 80.94
PC 101 painted steel      
  0.1586 0.0221 86.07
  0.0596 0.0167 71.98
  0.0926 0.0174 81.21
PC 101 plastic      
  0.0719 0.0018 97.5
  0.0423 0.0027 93.62
  0.0374 0.0058 84.49
Alpha HP ceramic      
  0.6564 0.0229 96.51
  0.2883 0.0086 97.02
  0.3684 0.0095 97.42
Alpha HP painted steel      
  0.0972 0.0215 77.88
  0.14 0.0162 88.43
  0.1666 0.0085 94.9
Alpha HP plastic      
  0.1219 0.0027 97.79
  0.0538 0.0038 92.94
  0.0521 0.0052 90.02

Success Rating:

A follow up test, usually based on company input.

Conclusion:

Both of the products at all dilutions had an overall average efficiency over 85% and would be considered effective based on the TURI lab testing protocol for GS 37.

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