Having our own quarries, the majority of which are in Southeast Finland, guarantees reliable supplies.

Karelia Red

Karelia Red

Karelia Red is coarse-grained granite characterised by its red, roundish crystals. Its beautiful red makes the granite ideal for even the most demanding of structures.

Technical properties

Water absorption (%) mean value0,11
Standard deviation (%)0,00
 
Apparent Density (kg/m3) mean value2630
density from ... To ...(kg/m3)2630 to 2684
Standard deviation(kg/m3)5
 
Open porosity (%) mean value0,38
standard deviation (%)0,02
 
Flexural strength (MPa) mean value9
Standard deviation(MPa)1
Min exp value(MPa)7,1
 
Flexural strength after frost (MPa) mean value9,2
Change in mean flexural strength after 48 cycles (%)2,2
Standard deviation(MPa)0,7
Min exp value(MPa)7,8
 
Compression strength (MPa) mean value185
Standard deviation(MPa)20
Min exp value(MPa)143
 
Compression strength after frost (MPa) mean value189
Standard deviation(MPa)16,8
Min exp value(MPa)152
 
Water absorption by Capillarity C (g/m2s0,5) mean value0,371
Standard deviation(g/m2s0,5)0,064
 
Skid resistance - dry polished mean value47,4
Skid resistance - wet polished mean value12,7
Skid resistance - dry honed mean value53,4
Skid resistance - wet honed mean value36,2
 
Abrasion resistance (mm) mean value17
 
Resistance at the anchoring system
Mean breaking Load(N)2350
Min exp value (N)1693
Standard deviation (N)350
d1(mm)10,1
bA(mm)53,9
Resistance to Thermal shock 
visual changesyes, a bit lighter
max Mass change (%)0,05
max res. Freq. change (%)6,9
 
Water absorption by Capillarity C (g/m2s0,5)no directions
parallel mean value
Standard deviation
 
Water vapour resistance factor μ dry10000
Water vapour resistance factor μ wet10000