1. Refractory2. Magnesium industry3. Production of magnesium compounds4. Production of glass5. Production of ceramics6. Production of paint7. Garden decoration materials8. Adjust soil pH
Size: 325mesh, 1-2mm, 2-3mm,3-5mm,6-8mm,8-10mm,1-3cm,3-5cm,6-8cm,8-10cm so on.