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Trial Number 2

Trial Purpose:

To evaluate the effectiveness of Sims Glass cleaner for the removal of glass soil from chrome and glass substrates.

Date Run:

06/03/2021

Experiment Procedure:

Three coupons for each substrate were weighted for initial weights. Using the Janitorial Standard Glass-GS 37 and Glass - DCC, the coupons were soiled with glass soil #2 on one side and were left to dry for 24 hours. After the coupons were dry, they were loaded in the Straight Line Washability Unit (SLW) three at a time by substrate. A Kimberly-Clark Wypall was attached to the cleaning sled and was sprayed twice with the cleaner. Each coupon was also sprayed three times before the SLW unit ran for 20 cycles. After the 20 cycles, the coupons were placed on a tray and were left out to dry overnight. The final weights were taken once dry.

Trial Results:

Sims Glass cleaner averaged about 96% effectiveness for both chrome and glass, performing better than Windex. Windex averaged 87% for chrome and 95% for glass. Both cleaners were effective for the removal of glass soil on both substrates. Visually the coupons were all clean with minimal streaking after completely dry. 

Cleaner Substrate Initial wt. of cont Final wt. of cont % Removal Average
Sims Glass Chrome 0.0578 0.0024 95.85 95.73
0.0508 0.0023 95.47
0.0579 0.0024 95.85
Glass 0.0358 0.0015 95.81 96.38
0.0413 0.0015 96.37
0.0459 0.0014 96.95
Windex Chrome 0.0673 0.0121 82.02 87.12
0.0795 0.0097 87.80
0.0509 0.0043 91.55
Glass 0.0451 0.0023 94.90 95.11
0.0587 0.0023 96.08
0.0478 0.0027 94.35

Success Rating:

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

Conclusion:

Both cleaners were successful at removing glass soil from chrome and glass substrates. Sims Glass cleaner had a higher percentage removal compared to Windex for both substrates. 

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