Item Details
Quarry Location:
Hinterrhein, Hinterrhein, Graubünden
Water Absorption:
0.3 %
Density:
2648 kg/m³
Flexural Strength:
19.9 - 20.4 MPa
Compressive Strength:
168 - 170 MPa
Recommended Usage:
Countertops, monuments, mosaic, exterior - interior wall and floor applications, fountains, pool and wall capping, stairs, window sills
Finishing Surface:
Polished, Sawn Cut, Sanded, Rockfaced, Sandblasted, Tumbled
Additional Names:
San Bernardino Quartzite, S. Bernardino Silber, Bernhardin Quarzit,Hinterrhein Platten, Hinterrhein Quarzit, Hinterrheiner Quarzit, Rhein Quarzit,Rheinischer Quarzit,San Bernardino
Description:
Physical / mechanical characteristics:(Average values)
Apparent density: 2650 Kg/mc
Open porosity (by volume): 0,8%
Water absorption (by mass): 0,3%
Flexural strength in natural conditions: 20,4 MPa
Flexural strength after frost test: 19,9 MPa
Compression strength in natural conditions: 170 MPa
Compression strength after frost test: 168 MPa
Abrasion resistance - groove length: 15,5 mm
Slip resistance value - sand blasted (dry): 69 (SRV)
Slip resistance value - sand blasted (wet): 66 (SRV-USRV)
Breaking load at dowel-hole: 2620 N
Breaking load at dowel-hole, maximum fracture distance: 48 mm
Petrographic definition: quartzitic paragneiss
(POLITECNICO DI TORINO)