Pierres naturelles STONE Design
Vallangis doré
Vallangis doré

"Vallangis" is a naming which guarantees the quality and certifies the origin of our stone.

Characteristics :

Sound Velocity.... 4160 m/s
Apparent density.... 2160 kg/m3
Real Density.... 2640 kg/m3
Surface Hardness.... 1.58 mm
Porosity.... 19.2 %
Anchoring resistance (in 3 cm thick)... 875N

ABRASION RESISTANCE TEST :
Abrasion resistance....36.1 mm
COMPRESSIVE TEST :

Compressive strength....33.2 Mpa
FREEZE TEST
Freeze test at 240 cycles : no alteration