Non-carbonated slate formed by tectonic compression. Blue black slate with non rusting metallic particles and thin laminations.
Split to an average thickness of 3,5 mm, 4.5 mm and 7.5mm.
Origin: Quarry Rozadais. Casayo, Carballeda de Valdeorras (Orense), Spain
Operations start date: Operating since 1960
Sizes: Between 25x15cm and 50x45cm
Thickness: 3.5mm, 4.5mm, 7.5 mm
Formats: Multiple shapes are available.
International Certifications:
- EN 12326
- NF 228-02/01/01
- ATG/H657
- BS EN 12326:2014
Technical specifications:
Water absorption: 0,28% Code : W1 (< 0,4%)
Contents of carbonate non carbonated:0,62% Fulfill (< 1,5%)
Mor characteristic: Longitudinal 51,3 MPA
SO2 exposure test: S1
Thermal cycle test: T1
Freeze thaw test: Fulfill < 0,6%
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