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Trial Number 24

Trial Purpose:

To reevaluate selected cleaners for bathroom cleaning at vendor recommended dilution ratios

Date Run:

08/01/2003

Experiment Procedure:

Two supplied cleaning products were diluted to vendor recommended concentration for bathroom cleaning. The products were diluted with DI water.
Six preweighed fiberglass, six ceramic and six chrome coupons were coated with SSL Soil 1 (Bathroom soap scum: Vaseline Dry Skin Lotion 21.4%, Dial Clean Rinsing Body Wash 14.3%, Market Basket Shampoo & Conditioner (Pert) 28.6%, Soft Soap Natural Liquid hand soap 21.4%, Coast Deodorant bar soap 7.2% and Water 7.1%) 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
Ramsey Free Fall 64:1
MD Steston LavSafe 64:1

Trial Results:

The cleaning solutions had little difficulty with SSL Soil 1 on all three substrates. The table below lists the amount of soil added and removed.

Table 1. Soil Removal

Cleaner Initial wt Final wt % Removed
RamseyFG 0.1563 0.0023 98.53
  0.2529 0.0020 99.21
  0.1175 -0.0009 100.77
RamseyCeramic 0.1689 0.0110 93.49
  0.1698 0.0167 90.16
  0.1491 0.0149 90.01
RamseyChrome 0.1364 0.0049 96.41
  0.1761 0.0021 98.81
  0.1803 0.0009 99.50
MDFG 0.2250 0.0006 99.73
  0.2985 0.0295 90.12
  0.5369 0.0108 97.99
MDCeramic 0.1510 0.0148 90.20
  0.1201 0.0235 80.43
  0.2934 0.0337 88.51
MDChrome 0.2905 0.0054 98.14
  0.1554 0.0032 97.94
  0.1704 0.0032 98.12

Success Rating:

A follow up test, usually based on company input.

Conclusion:

Both products were successful at the listed dilution ratios for SSL Soil 1.

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