1) Density: 2.69g/cm³

2) Water absorption: 0.36%

3) Compressive strength: 153.8MPa

4) Modulus of rupture: 12.8MPa

5) Hardness: Hs=90.5

6) Acid resistance: 98.90%

7) Alkali resistance: 99.43%

8) Mineral composition: SiO2: 64.24; Al2O3:17.11;

Fe2O3: 3.57; CaO: 1.69; MgO: 0.94; K2O 5.95;

Na2O: 4.76

9) Available dimensions: 600 x 600 x 20mm and below