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Trial Number 1

Client Number 480

Project Number 1

Trial Purpose:

To evaluate the efficiency of PathoClean for removing SCL Soil 2 (glass soil) from two substrates.

Date Run:

02/23/2021

Experiment Procedure:

Six pre-weighed coupons, three of each substrate, for each cleaner were contaminated with one gram of glass soil and air-dried at room temperature for hours. Three coupons of the same substrate were loaded into the Straight-Line Washability (SLW) device, and a KC Wypall reinforced paper towel was attached to the cleaning sled. The Wypall and coupons were each treated with two sprays of the cleaner and run for 20 cycles (equivalent to 30 seconds of cleaning). The pH was logged after testing, and coupons air-dried at room temperature for 24 hours before recording final weights. 

Trial Results:

PathoClean and Windex both were effective for the removal of glass soil from both glass and chrome substrates. PathoClean averaged 94% for chrome and 84% for glass. Windex averaged 93% for chrome and 99% for glass. Both cleaners are comparable to each other and effectively removed the soil. The pH was 10. 

Cleaner Substrate Initial wt Final wt  % Removed % AVG % Overall
PathoClean Chrome 0.9428 0.0820 91.30 93.61 93.70
1.5877 0.0673 95.76
1.1837 0.0739 93.76
Glass 0.8972 0.0704 92.15 93.79
0.8037 0.0367 95.43
0.8757 0.0544 93.79
Windex Chrome 1.2414 0.1192 90.40 93.42 96.12
1.1821 0.0577 95.12
1.2239 0.0644 94.74
Glass 0.8374 0.0219 97.38 98.81
0.9868 0.0024 99.76
0.8849 0.0062 99.30

PathoClean was 5% less effective on glass but was still visually effective and comparable to Windex. 

Success Rating:

Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.

Conclusion:

PathoClean was just as effective, both visually and gravimetrically, as Windex for the removal of glass soil on chrome and glass.

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