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Trial #2

Trial #2

The purpose of this experiment was to determine the effectiveness of five cleaners; Isopropyl alcohol, SC Aircraft & Metal Cleaner, Dimethyl glutarate, Propylene carbonate, and RB Degreaser, in removing a water based rosin from stainless steel substrates with unheated manual wiping.

2020

28

2

27

29

Coupon

07/09/2020

0.30

Manual Wipe

Alicia McCarthy
Hayley Byra

Stainless Steel

Resins/Rosins

None

Air dry

Gravimetric
Visual

Three coupons were obtained and weighed for each of the five tested cleaners; Isopropyl alcohol (100% concentration), SC Aircraft & Metal Cleaner (50% concentration), Dimethyl glutarate (100% concentration), Propylene carbonate (100% concentration), and RB Degreaser (1:30 concentration). Coupons were then soiled with the water based rosin using a swab and dried overnight before taking the dirty weight. Cotton cloths for each cleaner were saturated and used to wipe down the soiled coupons for 30 seconds at room temperature before taking the final clean weights. 

Cleaner Initial wt of cont. Final wt of cont. %Cont Removed % AVG
Isopropyl alcohol 0.0756 0.0347 54.10 35.64
0.0938 0.0527 43.82
0.201 0.1829 9.01
SC Aircraft & Metal Cleaner 0.2142 0.1702 20.54 16.09
0.2601 0.2247 13.61
0.2259 0.194 14.12
Dimethyl glutarate 0.1822 0.0259 85.78 90.7
0.2438 0.0165 93.23
0.2284 0.0158 93.08
Propylene Carbonate 0.2534 0.2532 0.08 1.70
0.2617 0.2968 -13.41
0.1861 0.1518 18.43
RB Degreaser 0.1881 0.1276 32.16 35.72
0.1861 0.0999 46.32
0.2257 0.161 28.67

Dimethyl glutarate was the most effective cleaner.

No relation

Name Class Section
Document Evaluation #0 Evaluation 3
Document Evaluation #1 Evaluation 3
Document Evaluation #2 Evaluation 3
Document Evaluation #3 Evaluation 3
Document Evaluation #4 Evaluation 3
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