+34 986-347501 info@lrnaturalgranite.es

GRISSAL

Visual description

Gray igneous rock with the presence of bluish tones and medium-coarse grain size.

Finishes

Polished, flamed, bush-hammered, sand blasting, sawn, brushed, honed, …

Formats

Suitable for slabs, tiles, cobblestone and all kind of custom commercial pieces.

Applications

Universal use: inside and outside.

physical-mechanical characteristics

UNE-EN 12407  Petrographic examination: Biotitic granite
UNE-EN 1936    Apparent density: 2640 kg/m3
– Open porosity: 1,00%
UNE-EN 13755 Water absortion at atmospheric pressure: 0,3%
UNE-EN 14157  Abrasion resistance: 15,3 mm
UNE-EN 13364 Breaking dole at dowel hole: 2000 N
UNE-EN 1926 Compression strength: 167 MPa
UNE-EN 12372 Flexion strength (Rf): 14,1 MPa
UNE-EN 14066  Resistance to ageing by thermal shock:
-Resistance to ageing by thermal shock (Mass variation): -0,03%
-Variation of dynamic elastic mod:- 21,70%
-Visual alterations:None
UNE-EN 14231 Slip resistance (polished):
-Dry test (SRV): 61
-Wet test (SRV): 8
UNE-EN 12371 Frost resistance:
– Variación RF (12 cycles): 3,2%

CARREGAL QUARRY

LEMMAR GRANITE SL

Street Rosalia de Castro, 28 - PISO 1 E
Salceda de Caselas
36470
Pontevedra
Telephone: +34 986-347501
EMail info@lrnaturalgranite.es

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