0.3-1 mm 

 2.4-2.7g/cm³

 3% max 

 6-20 times

 1-2 mm

 2.4-2.7g/cm³

 3% max 

 7-20 times

 2-4 mm 

 2.4-2.7g/cm³

 3% max 

7-20 times

 4-8 mm

  2.4-2.7g/cm³

 3% max 

 7-20 times 

Ship-building

Smelting

Oil-refining

Soil improving

Anti-fire board

 Adsorbent