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Trial Number 2

Trial Purpose:

To test the effectiveness of The Pink Stuff on ceramic, stainless steel, and plastic.

Date Run:

09/03/2021

Experiment Procedure:

Eighteen pre-weighed coupons, three of each substrate per cleaner, were soiled with 0.5 grams of DCC 17 (33% lard; 33% shortening; 33% vegetable oil and 1% carbon black powder) using a hand-held swab. Dirty weights were recorded after the coupons had dried for 24 hours at room temperature (68° F). Three coupons of the same substrate were aligned into a Single Line Washing Unit (SLW) with Wypall X60 attached to the cleaning sled. The Wypall X60 reinforced wipe along with the coupons were all sprayed two times with water after a small amount of the cleaner was added to each coupon; then the coupons were allowed to soak for 30 seconds. Afterward, the SLW was activated, and the coupons were cleaned for 20 cycles following an additional 20 cycles where a new Wypall was placed on the sled and sprayed again twice with water. Cleaned coupons dried overnight at room temperature before the final weights were recorded.

Trial Results:

Both cleaners were effective for the removal of glass soil from all three substrates. The Pink Stuff was 96% effective for ceramic and 97% effective for stainless steel and plastic. Soft Scrub was 92% effective for ceramic, 93% effective for stainless steel, and 98% effective for plastic.

Cleaner Substrate Initial wt. of Cont. Final wt. of Cont. Average Combined Average
The Pink Stuff Ceramic 0.5019 0.0349 93.04 96.2
0.5982 0.0100 98.33
0.5287 0.0150 97.17
Stainless Steel 0.6997 0.0580 91.71 96.8
0.5143 0.0013 99.75
0.5911 0.0071 98.80
Plastic 0.5418 0.0247 95.44 97.0
0.4942 0.0097 98.04
0.4107 0.0106 97.42
Soft Scrub Ceramic 0.5738 0.0156 97.28 91.9
0.5703 0.0330 94.21
0.3871 0.0612 84.19
Stainless Steel 0.5064 0.0117 97.69 93.4
0.5161 0.0883 82.89
0.5710 0.0017 99.70
Plastic 0.5349 0.0002 99.96 98.4
0.5487 0.0032 99.42
0.5270 0.0213 95.96

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 effective for the removal of kitchen soil from all three substrates.

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