Gris Quintana
Granite biotÌtico of thin grain extracted in the Pluton of Quintana de la Serena. Big reserves. Zone of high production. All kinds of uses.
Characteristic Generales:
- Origin: Quintana de la Serena
- Province: Badajoz
- Colour: Grey
- Petrographic description: Monzogranites biotitic
- Grain size: Thin
- Opened porosity( %): 0,4
- Apparent density ( Kg/m3): 2650
- Resistance to the graze ( mm): 19
- Resistance to the compression ( MPa): 170
- Resistance to the concentrated load deflection (MPa): 18,1
- Elastic Module ( MPa): 53125
- Microhardness knoop ( Mpa): 2348
- Resistance to shock (cm): 55
- Water absorption for capillarity (g/m” · s0,5): 0,283
- Resistance to ice ( % variation flexion after cycles ): 8
- Resistance to the crystallization of salts (Mass variation): 0
- Water Absorption under atmospheric pressure ( %): 0,2
- Break charges (N): 2600



