... -ferrous mineral, chemical and papermaking industry, specially used for soft Kaolin, coal Kaolin, porcelain stone (1) Brief introduce BP ... state, it used abroad for non-ferrous mineral, chemical and papermaking industry, specially used for soft Kaolin, coal Kaolin, porcelain stone, calcium ... can be reach 2 um. The products can used for papermaking, paint, china, refined china, toiletry and rubber ...