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Characteristics

GRIS QUINTANA (INFORME INTROMAC 0893/06)
Gris Quintana
BULK DENSITY 2.630 Kg/m3
SPECIFIC ABSORPTION RATE (SAR) At atmospheric pressure: 0.2%
  Through capillarity:0.372 gr/m2.s0.5
MECHANICAL RESISTANCE TO ABSORPTION 210 MPa
MECHANICAL RESISTANCE TO BENDING 15 MPa
MECHANICAL RESISTANCE TO ABRASION 18.5 cm
IMPACT RESISTANCE 55 cm ó 5.39 J
FREEZE-THAW RESISTANCE Variation of Compression after 48 freeze-thaw cycles: 13%
  Variation of deflection after 48 freeze-thaw cycles: 9%
  Variation of deflection after 12 freeze-thaw cycles: 8%
THERMAL SHOCK ALTERATION Slight change in colour
  Mass variation: 0,14%
  Elastic Module Variation: 10,60
PETROGRAPHICAL DESCRIPTION Biotitic Monzogranite
GRAIN SIZE Thin
SEE TECHNICAL DATA SHEET

ROSA ALBA (ATLAS DE LAS ROCAS ORNAMENTALES DE EXTREMADRA. Published in 2004)
Rosa Alba
BULK DENSITY 2.600 Kg/m3
SPECIFIC ABSORPTION RATE (SAR) At atmospheric pressure: 0.1%
  Through capillarity: 0.205 gr/m2.s0.5
MECHANICAL RESISTANCE TO ABSORPTION 106 MPa
MECHANICAL RESISTANCE TO BENDING 8 MPa
MECHANICAL RESISTANCE TO ABRASION 18.5 cm
IMPACT RESISTANCE 37 cm ó 3,62 J
FREEZE-THAW RESISTANCE Variation of Compression after 48 freeze-thaw cycles: 6'5%
  Variation of deflection after 48 freeze-thaw cycles: 4%
  Variation of deflection after 12 freeze-thaw cycles: 3%
THERMAL SHOCK ALTERATION Trial not carried out
PETROGRAPHICAL DESCRIPTION Biotitic granite
GRAIN SIZE Medium (Porphyritic)

NEGRO OCHAVO (ATLAS DE LAS ROCAS ORNAMENTALES DE EXTREMADURA. Edited in 2004)
Negro Ochavo
BULK DENSITY 2.840 Kg/m3
SPECIFIC ABSORPTION RATE (SAR) At atmospheric pressure: 0.1%
  Through capillarity: 0.368 gr/m2.s0.5
MECHANICAL RESISTANCE TO ABSORPTION 154 MPa
MECHANICAL RESISTANCE TO BENDING 18 MPa
MECHANICAL RESISTANCE TO ABRASION 19 cm
IMPACT RESISTANCE 51 cm ó 4,99 J
FREEZE-THAW RESISTANCE Variation of deflection after 48 freeze-thaw cycles: 4%
THERMAL SHOCK ALTERATION Trial not carried out
PETROGRAPHICAL DESCRIPTION Biotitic diorite with hornblende and pyroxene
GRAIN SIZE Thin