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+ Plastics
+ Cleaning
Posted by
Adrian Zorzi

Urea-Formaldehyde cleanup

Benjamin Tsavkegh  Follow

It appears it can be decomposed in the presence of Hydrogen Peroxide, with decomposition being noticeable even at 3% (extremely slowly), but working well around 12%. I didn't do anything beyond basic tests, but a white salt (likely Urea?) will precipitate out, embedding in the pores, if any, of the plastic; this can interfere with this clean up method. It also produces Aldehydes, seemingly mostly Formaldehyde from the odor, but with reactions based on the environment. Some Acetaldehyde was produced in my case, but the rate was slow enough that only small short lived flames were produced.

This was able to be sped up with heating or HCl. I would shy away from adding HCl, as it produced a strong Chlorine smell, without any obvious yellow gas.

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