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Trial Number 21

Trial Purpose:

To test the effectiveness for the removal of bathroom soil from ceramic, chrome, and plastic using Honest cleaner.

Date Run:

11/10/2021

Experiment Procedure:

Three coupons of each substrate (ceramic, chrome, and plastic) were collected and initial weights were taken. Bathroom soil was applied to each coupon and allowed to air dry for 24 hours. After the 24 hour dry time, the weights of the newly contaminated coupons were measured. All coupons were placed into a Straight-Line Washability (SLW) machine. A KC Wypall cleaning cloth was attached to the cleaning block used for the test. The Wypall cloth and all coupons received 2 sprays of the Honest Cleaner and the SLW machine was run for 20 repetitions, simulating 20 manual wipes. Once cleaning concluded, the cleaned coupons were allowed to air dry for 24 hours. After 24 hours, the weights of the cleaned coupons were measured. 

Trial Results:

Plastic had the most removed with a effectiveness of 83% removal. Ceramic had 76% removal and chrome had 74% removal. Some soil was still left on the edges of the coupons. 

Substrate Initial wt. of cont. Final wt. of cont Average Combined Average
Ceramic 0.0953 0.0257 73.03 75.66
0.0653 0.0083 87.29
0.0966 0.0322 66.67
Chrome 0.1152 0.0428 62.85 73.93
0.1453 0.0271 81.35
0.0701 0.0157 77.60
Plastic 0.0665 0.0029 95.64 83.14
0.0657 0.0155 76.41
0.0712 0.0161 77.39

Success Rating:

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

Conclusion:

Honest was effective at removing bathroom soil from plastic but left some soil on the surface of the chrome and ceramic coupons. 

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