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Armstrong FERIA

Nrc	0.5
Colour	Blanc
System	Apparent et démontable - Système C
Alpha p	0.35, 0.40, 0.50, 0.60, 0.55, 0.50
Alpha w	0.5
Dnfw db	32
Nominal	600 x 600
Material	mineral
Edge type	Tegular 24
Air quality	A+
Frequency hz	125, 250, 500, 1000, 2000, 4000
Thickness mm	14
Weight kg m2	3.3
Dimensions mm	600 x 600
Alpha w values	0.60; 0.65; 0.70; 0.75
Emission class	E1
Absorption class	D
Edge dimensions mm	24
Durability standard	EN ISO 14021
Additional dimensions	disponibles sur demande
Reaction to fire class	A2-s1,d0
Recycled content percent	19.9
Light reflectance percent	85
Reaction to fire standard	EN 13501-1
Thermal conductivity w mk	0.06
Formaldehyde emission level	lowest possible test result
Acoustic absorption standard	EN ISO 354
Lateral attenuation standard	EN ISO 10848-2
Moisture resistance rh percent	90
Reaction to fire national standard	123-FZ
Reaction to fire national classification	KM1 (G1, V1, D1, T1)
Lateral attenuation standard classification	EN ISO 717-1

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