Belfast Black

• Materiał Granit
• Pochodzenie RPA
• 

Dane techniczne

• Apparent density (kg/m3)
  2980
• Open porosity en1936
  0.10%
• Abrasion resistence (mm) en14157
  17
• Water absorption at atmospheric pressure en13755
  0.08%
• Resistance to bending stress (MPA) en12372
  13
• Anchor breaking load (N) en13364
  3900
• Thermal shock (change in mass) en14066
  No
• Compression resistance (MPA) en1926
  175
• Frost resistence (48 cycles) (reduction in bending resistance) - en12371
  3.2