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Trial Number 0

Trial Purpose:

To evaluate two products for bathroom cleaning

Date Run:

01/30/2007

Experiment Procedure:

The supplied cleaning product were used at the recommended concentration (2%, 2% and 1.5%). Nine preweighed chrome, ceramic and fiberglass, coupons were coated with SSL Soil 1 (Bathroom soap scum: All-in-one shampoo and conditioner 28.6%, Dry skin lotion 21.4%, Liquid hand soap 21.4%, Liquid body wash 14.3%, 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 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, the amount remaining and the efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
120 Chrome 0.3344 0.0381 88.61
  0.3720 0.0539 85.51
  0.4720 0.1368 71.02
108 Chrome 0.4998 0.0902 81.95
  0.2962 0.0989 66.61
  0.6143 0.1612 73.76
120 Ceramic 0.3658 0.0578 84.20
  0.5414 0.0290 94.64
  0.3241 0.1041 67.88
108 Ceramic 0.0655 0.0149 77.25
  0.3481 0.1077 69.06
  0.5779 0.1499 74.06
120 Fiberglass 0.3721 0.0218 94.14
  0.3262 0.0108 96.69
  0.5024 0.0838 83.32
108 Fiberglass 0.2380 0.0038 98.40
  0.3914 0.0099 97.47
  0.2337 0.0075 96.79
Blue Jay Chrome 0.3724 0.0284 92.37
  0.1401 0.0190 86.44
  0.2055 0.0259 87.40
Blue Jay Ceramic 0.2552 0.0017 99.33
  0.2306 0.0268 88.38
  0.2613 0.0147 94.37
Blue Jay Fiberglass 0.7378 0.0405 94.51
  0.2967 0.0285 90.39
  0.4634 0.0634 86.32

Success Rating:

A follow up test, usually based on company input.

Conclusion:

Product #120 Peroxide Multisurface cleane and Blue Jay met the 85% efficiency level as specified in the Mass EPP protocol. The other product #108 Spray & Wipe did not meet this cut off level while tested at the specified concentration.

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