PRODUCTS

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