... whole-closed structure,which is suitable to filter particle, powder and sticky liquid material . ... , pigment, industrial medicine, cosmetic, coatings, etc. Ceramic and Abrasive: Alumina, quartz sand, mud, and carborundum ... Social pollution disposed: Disposed oil, disposed water, disposed dye water, assistant, active carbon. Types60080010001200150018002000Diameters(mm)5407309001100140017001886Areas0. ...