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Material properties

At the different quarry places, Lasa Marble is found in several grain sizes. The one in the Lasa Valley (Laaser Tal) is more fine grained, which makes it particularly valuable and precious. Compared to most of the commercially available marble types, the Lasa Marble shows an up to twenty percent increased hardness. The calcium carbonate content (CaCO3) for pure white Lasa Marble ranges between 96.4 and 98.6 percent. Lasa Marble is resistant to frost, de-icing salt, and chlorine. The good and even indentation of the crystals in the stone makes Lasa Marble water-impermeable.

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Technical characteristics

Chemical, physical and mechanical Properties

Lasa Marmo Bianco Lasa Marmo Venato
Calcium carbonate content (CaCO3) 96,4-98,6% 96,4-98,6%
Density
Open porosity

UNI EN 1936:2007
2710 kg/m³
0,34%
2710 kg/m³
0,34%
Water absorption at atmospheric pressure
UNI EN 13755:2002
0,12% 0,12%
Water absorption coefficient by capillarity
UNI EN 1925:2000
1,090 g/m²/s0,5 1,090 g/m²/s0,5
Compressive strength
UNI EN 1926:2000
Rm = 89 MPa Rm = 76,3 MPa
Flexural strength
UNI EN 12372:2001
Rtfm = 14,6 MPa Rtfm = 17,4 MPa
Flexural strenght after freeze/thaw cycles
UNI EN 12371:2003
Rtfmg = 13,4 MPa Rtfmg = 14,8 MPa
Resitance to abrasion
UNI EN 1341:2003 Attachment C
23,9 mm 23,9 mm
Electrical resistence
dry
wet

> 1000 MΩ
15 MΩ

> 1000 MΩ
15 MΩ
Reaction to fire
Decision 96/603/CE
Class A1 Class A1
Slip resistence
on unpolished surface
dry
wet
sandblasted


47 USRV
6 USRV
R12


47 USRV
6 USRV
R12