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Trial Number 0

Trial Purpose:

To evaluate the supplied products for bathroom cleaning using manual cleaning

Date Run:

08/16/2011

Experiment Procedure:

The supplied cleaning products, Clorox Green Works Natural Bathroom Cleaner and ChemCo Purple Tiger, were used at the recommended dilution (1:32, 1:8) 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). Final weights were measured and efficiencies were calculated and recorded. A visual analysis was taken for the ceramic coupons because of their ability to absorb and retain moisture.

Chemistries Evaluated: Clorox Green Works Natural Bathroom Cleaner; ChemCo Purple Tiger;

Trial Results:

The Clorox Green Works Natural Bathroom cleaner out removed more than 92% of the bathroom soap scum soil from the ceramic and over 87% of the soil was removed from the chrome using manual cleaning.  The ChemCo Purple Tiger removed more than 76% of the bathroom soil from the ceramic coupons and over 84% of the bathroom soil from the chrome coupons.

Cleaner Initial wt Final wt % Removed % Average
ChemCo Purple Tiger Ceramic        
  0.0171 0.0050 69.59 95.27
  0.0333 0.0091 72.67  
  0.0147 -0.0064 143.54  
Clorox Green Works Natural Bathroom Cleaner Chrome        
  0.0172 0.0021 87.79 87.72
  0.0235 0.0031 86.81  
  0.0306 0.0035 88.56  
ChemCo Purple Tiger Chrome        
  0.0251 0.0038 84.86 84.61
  0.0240 0.0032 86.67  
  0.0277 0.0049 82.31  
Clorox Green Works Natural Bathroom Cleaner Fiberglass        
  0.0610 0.0296 51.48 61.55
  0.0574 0.0200 65.16  
  0.0372 0.0119 68.01  
ChemCo Purple Tiger Fiberglass        
  0.0445 0.0314 29.44 44.39
  0.0471 0.0229 51.38  
  0.0468 0.0223 52.35  

Visual Results

Visual Ranking Ranking 1 Ranking 2 Ranking 3 Average
Clorox Green Works Natural 96.33 96 85.67 92.67
Bathroom Cleaner 1:32        
ChemCo Purple Tiger 1:8 73.33 76.67 78.33 76.11

Success Rating:

Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.

Conclusion:

The Clorox Green Works Natural Cleaner was affective at removing bathroom soap scum off of ceramic and chrome substrates.

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