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, etc. The products include: vermiculite, slag powder, fly ash, kaolin, bentonite, mica powder, perlite.

BentoniteIt is a non-metallic mineral mainly composed of montmorillonite, with a content of85%-90%. Some properties of bentonite are also determined by montmorillonite. The properties of montmorillonite are related to its chemical composition and internal structure. It is mainly used in steel plants, ceramics, refineries, cosmetics, oil wells, papermaking, and cement.