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Trial Number 10

Trial Purpose:

To evaluate three supplied products for glass cleaning as part of three part experiment to evaluate product

Date Run:

06/01/2011

Experiment Procedure:

Supplied products were used at the recommended dilution (2.4%). Pre-weighed mirror, glass, and chrome plated aluminum coupons were coated with SSL Soil 2 (Glass soap scum: Water, hair gel, toothpaste, shaving cream, hair spray and spray deodorant) 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 5 cycles (~10 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded and efficiencies recorded.

Trial Results:

All three products were effective for glass cleaning, removing more than 85%. The DFE 401 indicated low cleaning effectiveness on mirror surface than other cleaners. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
MD Stetson PC 220 mirror      
  0.0229 0.0024 89.52
  0.0162 0.0018 88.89
  0.0205 0.0019 90.73
MD Stetson PC 220 glass      
  0.0216 0.0020 90.74
  0.0372 0.0024 93.55
  0.0388 0.0024 93.81
MD Stetson PC 220 chrome      
  0.0220 0.0018 91.82
  0.0350 0.0014 96.00
  0.0365 0.0028 92.33
DFE 401 mirror      
  0.0092 0.0017 81.52
  0.0074 0.0018 75.68
  0.0115 0.0027 76.52
DFE 401 glass      
  0.0112 0.0022 80.36
  0.0271 0.0017 93.73
  0.0199 0.0020 89.95
DFE 401 chrome      
  0.0253 0.0022 91.30
  0.0335 0.0019 94.33
  0.0143 0.0020 86.01
MD Stetson PC 101 mirror      
  0.0561 0.0012 97.86
  0.0719 0.0006 99.17
  0.0141 0.0001 99.29
MD Stetson PC 101 glass      
  0.0317 0.0023 92.74
  0.0619 0.0027 95.64
  0.0483 0.0032 93.37
MD Stetson PC 101 chrome      
  0.0804 0.0026 96.77
  0.0692 0.0022 96.82
  0.0349 0.0042 87.97

Success Rating:

A follow up test, usually based on company input.

Conclusion:

All of the supplied products removed over 85% of the soil. The PC 101 had the highest removal efficiency and was the only product to be effective on all three soils for the three cleaning tasks.

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