“GRIS GOVIA” PHYLLITE
LOCATION OF THE QUARRY

PRODUCTS
FINISHES
PROJECTS
DATA SHEET
PETROGRAPHIC DESCRIPTION (UNE-EN 12407-1:2010) Slate board in shale with biotite and medium gray chlorite,
well crystallized, compact and with high quartz content.
TECHNICAL ESSAYS
Open porosity (UNE-EN 1936:2007)
Flexural strength (UNE-EN 12372:2007)
Compressive strength (UNE-EN 1926:2007)
Water absorption at atmospheric pressure (UNE-EN 13755:2008)
Abrasion resistance (UNE-EN 14157:2005)
Slip resistance (dry conditions) UNE-EN 14231:2004)
Slip resistance (wet conditions) (UNE-EN 14231:2004)
Flexural strength after frost resistance (56 cycles). Number of cycles. (UNE-EN 12371:2010)
Breaking load at a dowel hole (UNE-EN 13364:2001)
Resistance to salt cristallysation. Mass variation (UNE-EN 12370:1999)
Water absorption by capillarity (UNE-EN 1925:2009)
Thermal shock resistance. Mass variation %.
RESULTS
2.750 kg/m3
– %
37,5 MPa
104,69 MPa
0,20 %
28,5 mm
69 USRV
64 USRV
-35 %
3.550 N
—%
— g/m2.s 0,5
no variation