Used in Manufacturing of brake pads and all friction instruments . Packing Wooden Pallets Carrying 40 Packs of 25 Kg . Granulometric analysis : Size of internal side of sieve eye (mm) Repartition of the particles on size basis 2.000 0 1.000 3 0.500 7 0.250 15 0.125 10 <0.125 65 Physical properties : Specific density (g/ccm) 7.8 Apparent volume (ccm/100g) 205 Compressed volume (ccm/100g) 140 Acetonic extract (%) 0.15