Quintana Gray - Granito Gris Quintana Granite Slabs

Biotìtic granite of thin grain extracted in the Pluton of Quintana de la Serena. Big reserves. High production areas. All kinds of uses.

General Caracteristics:

- Origin: Quintana de la Serena
- Province: Badajoz
- Colour: Grey

• Petrographic description: Biotitic monzogranites
• 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