Ai polished Yttrium stabilized Zirconium Oxide octagonal mortars and pestles are 60 times the hardness of regular steel, highly wear-resistant, and resistant to acids and solvents. They can be used whenever small quantity of samples needed to be crushed or grinded by hand.

Composition

 Item  Value
 Bulk density  5.95 g/cm3
 Zr(Hf)O2  94.48%
 Y2O3  5.15%
 TiO2  0.0018%
 P  <0.035%
 SiO2  0.007%
 Fe2O3  0.0009%
 S  <0.03%
 N  <0.25%
 L.O.I (1000°C)  2.78%
 Rockwell hardness  >89 HRA

Specifications

 Size  4-inch  6-inch
 Item number  ZMP4  ZMP6
 Mortar OD  4.4″  6.3″
 Mortar ID  3.5″  5.1″
 Mortar height  2″  2.8″
 Mortar bowl depth  1.7″  2.1″
 Pestle length  3.5″  5.1″
 Pestle top diameter  0.8″  1.2″
 Hardness  12.6 GPa
 Density  6 g/cm3
 Total weight  2.7 Lb  8 Lb