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Grissal

Grissal
Other names
Blanco Avia
Description

Textura panalotriomórfica porfídica de tamaño de grano medio con feldespatos potásicos grises de tamaño grueso a muy grueso

Chromatic range
Gray
Petrographic examination
Biotite granite
Clasificación petrográfica Le Maitre
Syenogranite
image/svg+xml
Carballeda de Avia
Penido (Canteras Penido SL)
Leiro
Rilo (Granitos excavaciones y contrucción SLl)
UNE-EN 1936 Apparent density 2630 kg/m3
Open porosity 1.1 %
UNE-EN 13755 Water absorption at atmospheric pressure
Mean value 0.4 %
Higher Expected Value (EH) 0.4 %
UNE-EN 14157 Abrasion resistance
Valor medio de la anchura de la huella 17.3 mm
Higher Expected Value of groove´s width 18.1 mm
UNE-EN 12372 Flexural strength
Mean value 13.9 MPa
Low expected value (EL) 16.6 MPa
UNE-EN 12371 Frost resistance, 56 cycles
Decreased flexural strength 7.6 %
Valor medio de resistencia a flexión 12.8 MPa

Granite has been tested in the CTG laboratory. The results of these tests are only related to the samples tested.