Alkali refers to an alkaline, or basic, chemical substance such as lime or lye. Generally present in fresh cement, concrete, or plaster.
It is a substance such as lye, soda or lime that can be highly destructive to paint films.
 
See also:
 "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"
   Alkali metals
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. ..)