Marron Emperador

Absortion:                                    0.40%
Porosité:                                                        1.20%
Resistance mecanique á la compression:                 1597kg/cm2
Resistance mecanique á la flexion:                        210kg/cm2
Resistance a l' usage:                                     3.22mm
Resistance a l' impacte:                                       35 cms
Test Froid.                                  - km/cm2