Pietranova Grigia is a fine grain a cement agglomerate earth grey sedimentary rock quarried in Italy. This stone is especially good for Wall and floor applications, countertops, mosaic, fountains, pool and wall capping, stairs, window sills and other design projects. It also called Pietranova Gray Limestone, Pietranova Grigio, Pietranova Grigia Trachite, Pietranova Grey,in China stone market:灰莱姆石(Huī lái mǔ shí) . Pietranova Grigia can be processed into Sawn Cut, Sanded, Rockfaced, Sandblasted, Bushhammered, Tumbled, Thermalled, Natural Cleft, Weatheredge and so on.
Material description Agglomerate cement based
Reaction to fire A1 Class UNI EN 13501-1
Flexural strength ( Th : 30 mm) 6,6 MPa (Mid value) UNI EN 14617-2
Uniaxial compression strength 34 MPa (Mid value) UNI EN 14617-15
Frost resistance through modification of flexural strength
Flexural strength variation (after 25 cycles -12°C/+20°C):6,0 MPa ( - 9 %) UNI EN 14617-5
Water absorption 9,8 % UNI EN 14617-1
Apparent volumic mass 2027 kg/mc UNI EN 14617-1
Abrasion resi stance ( “A” method) 25 mm UNI EN 14157
Slip resistance (SRV) Finishing: only sawn 73 (dry) 65 (wet) UNI EN 14231
Slip resistance (SRV) Finishing : honed and sealed*
Finishing: Brushed and sealed * 69 (dry) 52 (wet) 62 (dry) 39 (wet) UNI EN 14231
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