It is a substance such as lye, soda or lime that can be highly destructive to paint films.
"Alkali" is in the HS Code "2805"
Alkali Or Alkaline-Earth Metals; Rare-Earth Metals, Scandium And Yttrium, Whether Or Not Intermixed
"Alkali" is in the UNSPSC Code "12141800"
Other Database Pages Exist for this Phrase:
Alkali burn (Alkali burn refers to a condition that occurs ...)
Alkaline substance (Alkaline substance refers to chemical compounds ...)