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Trial Number 26

Trial Purpose:

To reevaluate selected cleaner for all purpose cleaning at vendor recommended dilution ratio.

Date Run:

08/01/2003

Experiment Procedure:

The supplied cleaning products were diluted with DI water to vendor recommended dilutions for all purpose cleaning. Nine preweighed ceramic, Nine plastic G-10 and Nine 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 Professional Painter's Rag 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.

Product Dilution Ratio
Super H2O2 128:1
Free Fall 64:1
All Purpose 128:1

Trial Results:

All three products were successful in removing the Hucker's soil from all three surfaces. The table below lists the amount of soil applied and removed from the coupons.

Table 1. Soil Removal

Cleaner Initial wt Final wt % Removed
Cleanline Cer 0.0941 0.0035 96.28
  0.0621 0.0078 87.44
  0.0916 0.0091 90.07
Clean Plastic 0.1287 0.0064 95.03
  0.1362 0.0074 94.57
  0.0894 0.0060 93.29
Clean Steel 0.0933 0.0025 97.32
  0.0894 0.0017 98.10
  0.0716 0.0007 99.02
Ramsey Ceramic 0.0870 0.0052 94.02
  0.0838 0.0107 87.23
  0.0754 0.0104 86.21
Ramsey Plastic 0.1934 0.0017 99.12
  0.1392 0.0014 98.99
  0.1413 0.0025 98.23
Ramsey Steel 0.0599 0.0005 99.17
  0.0952 -0.0003 100.32
  0.1172 0.0004 99.66
Roch Ceramic 0.0917 0.0063 93.13
  0.1024 0.0067 93.46
  0.1959 0.0110 94.38
Roch Plastic 0.0963 0.0009 99.07
  0.1089 0.0013 98.81
  0.1260 0.0014 98.89
Roch Steel 0.0911 0.0004 99.56
  0.1337 -0.0003 100.22
  0.1532 0.0012 99.22

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The retested products were successful at the vendor recommended dilution ratios.

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