Anthracite Filter Media

Hardness (Mohs)                      3-4  

HCL solubility                           3.5% max

Wearing rate                            0.5% max

Break rate                               0.5% max

Moisture                                 3% max

Bulk density (kg/m3)                830-850

Volatile matter                         6-7%
Specific gravity (g/cm3)            1.4-1.6

Fix carbon                               85% min 

Spec:

Anthracite Filter Media