Grey - Trachyte
Italy
Item Details
Quarry Location:
Serrenti, Provincia di Cagliari, Sardegna
Water Absorption:
6.3 %
Density:
2204 kg/m³
Flexural Strength:
15.5 - 18.9 MPa
Compressive Strength:
90.1 - 93.0 MPa
Recommended Usage:
Building Ornaments, Flagstone,Coping, Pavers, Slabs, Sculptures, Window Sills, Stairs
Finishing Surface:
Sawn cut, Honed, Natural, Split, river worn, feature rocks
Additional Names:
Pietra di Serrenti,Pietra Serrenti,Trachite Serrenti,Trachite di Serrenti,Sarda Trachiti,Pietra di Serrenti
Description:
Petrographic description EN 12670 TRACHITE lithotype magmatic efusivo
reaction to fire 96/603 / EC class A1
flexural strength under concentrated load EN 12372 Rtf = 18.9 MPa
simple compressive strength EN 1926 Rm = 93 MPa
deep abrasion resistance EN 14157 25 mm
water absorption at atmospheric pressure EN 13755 6.30%
resistance scivolosita on sawn EN 1341 SRV = 77
apparent density EN 1936 2204 K / mc
open porosity EN 1936 17.00%
compressive strength after 48 freeze / thaw cycles EN 12371 Rm = 90.1 MPa 3% less than the simple compression
flexural strength after 48 freeze / thaw cycles EN 12371 Rtf = 15.5 MPa 18% less than the simple bending
coefficient of absorption by capillarity EN 1925 C1 = 23.3 g / sq m / S0.5
resistance to frost 12 freeze / thaw cycles EN 12371 Rtf = 15.4% less than 19% compared to the simple bending
breaking load on the fixing holes EN 13364 1500 N
resistance to aging by SO2 and humidity EN 13919 m = -0.94% mass loss material change color
Resistance to accelerated aging by thermal shock cycles 20 EN 14066 m = -0.08% mass loss
slip resistance of floor polished grain 400 DIN 51130 R10
impact resistance EN 14158 W = 8 J
linear thermal expansion EN 103 7.06 * 10-6 / C