is a non carbonated slate formed by tectonic compression, extracted and transformed in the area of León (Spain).
Black colour slate, with fine laminations and grain. Smooth texture with an excellent planimetry.
Prestige, Tradition, Eco and Heavy
5mm, 7mm and 9mm
From 27x18cm to 60×30 cm
Resistance to flexion: Longitudinal: 81,5 N/mm2 | Transversal: 64,3 N/mm2
Water absorption: 0,4% W1
Carbonate non carbonated: 0,2%
Thermal cycle test: T1
SO2 Exposure: S1
Reaction to fire: Satisfy A1
Release of dangerous substances: None