Hebra is a non carbonated slate formed by tectonic compression, extracted and transformed in the area of León (Spain).
Black blue colour slate, fine laminations and grain. Excellent planimetry, smooth texture with a characteristic longitudinal vein that brings an aesthetic result of great beauty to the projects.
Prestige, Tradition, Eco and Heavy
3,5mm, 5mm, 7mm
from 27x18cm to 60×30 cm
Resistance to flexion: Longitudinal: 69,5 N/mm2 | Transversal: 64,2 N/mm2
Water absorption: 0,39% W1
Carbonate non carbonated: 0,4%
Thermal cycle test: T1
SO2 Exposure: S1
Reaction to fire: Satisfy A1
Release of dangerous substances: None