Other non-metallic mineralsRefers to mineral resources that do not contain castable metal elements. It mainly includes industrial minerals, chemical minerals, building materials minerals, feed minerals, pharmaceutical minerals, and other types. The products included are: vermiculite, slag powder, fly ash, kaolin, bentonite, mica powder, perlite.
VermiculiteIt is a natural, inorganic, non-toxic mineral that expands under high temperature. It is a relatively rare mineral , belonging to silicate. Due to the ion exchange capacity of vermiculite, it has a great effect on soil nutrition.