PIASENTINA STONE MANUFACTURING
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Technical data
Piasentina stone comes from the calcareous clastic bands of the lower layers of rock and is a very compact Eocene breccia, with a medium-fine grain, grey-brown colour and white crystalline veins, with brownish hues.
The quarries are in the Julian Pre-Alps in the province of Udine – Italy.
Physical-mechanical characteristics
Petrographic definition: Calcarenite(calcareous fossil stone with a medium-fine grain)
- Weight per Unit of Volume: 2.690 Kg/m3
- Imbibition Coefficient (water absorption): 0,18 %
- Compression Breaking Load: 156 MPa
- Compression Breaking Load after Freeze-Thaw Cycles: 147 MPa
- Elasticity Modulus: 64.600 MPa
- Ultimate Tensile Strength: 30,1 MPa
- Frictional Wear Test (by Tribometer, using San Fedelino granite as reference material): 0,58
- Impact Test (minimum fall distance): 31 cm
- Thermal Linear Expansion Coefficient: 5,4 ( 10-6 x °C-1 )
- Knoop Microhardness: 1.824 Mpa
Slip resistant where not polished (USRV)
- Sawn face: 81
- Flamed: 86
- Bush-hammered: 86
- Diamond honed: 65
These tests were carried out by the Department of “Georisorse e Territorio” of the Turin Polytechnic, in compliance with current UNI and UNI EN standards.