Equipped with 3 holes for half-brick bond coverage on a façade (overlap 5 cm). Thickness: - nominal thickness 4 mm. Size tolerance: - by length and width +3/-3 mm; - on thickness +1/-0.4 mm. Volume measuring 1850 kg/m3 (min 1750). Water absorption (*) 15%. Fracture bending stress: - parallel to the fibres 16 N/mm2. - perpendicular to the fibers 25 N/mm2. - average bending moment 55 Nm/m. Hygric expansion coefficient 3.3 mm/m. Thermal expansion coefficient 10-6 m/mK. Frost resistance: - continuous -30°C. Thermal conductivity coefficient λD 0.46 W/m.K. Reaction to fire A2-s1,d0.