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Trial Number 9

Trial Purpose:

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

Date Run:

12/05/2008

Experiment Procedure:

The supplied cleaning products were used at the delivered concentrations. 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
PC122 HD Bio-Clean Ceramic      
  0.1131 0.0095 91.60
  0.1728 0.0127 92.65
  0.0658 0.0227 65.50
PC122 HD Bio-Clean Painted Steel      
  0.1155 0.0090 92.21
  0.1167 0.0041 96.49
  0.0330 0.0089 73.03
PC122 HD Bio-Clean Plastic      
  0.1694 0.0027 98.41
  0.0775 0.0028 96.39
  0.2539 0.0053 97.91
PC117 Winter Ceramic      
  0.1622 0.0099 93.90
  0.1824 0.0097 94.68
  0.1438 0.0073 94.92
PC117 Winter Painted Steel      
  0.0792 0.0062 92.17
  0.0527 0.0329 37.57
  0.1209 0.0035 97.11
PC117 Winter Plastic      
  0.0910 0.0069 92.42
  0.0792 0.0067 91.54
  0.0936 0.0081 91.35

Success Rating:

A follow up test, usually based on company input.

Conclusion:

Both of the products 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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