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Knauf

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VARIOLINE Colour Board

Nrc	0.9
Cac db	29
System	Apparent et démontable - Système C
Alpha w	0.95
Nominal	19 mm
Material	mineral
Edge type	Board
Air quality	A+
Cac standard	ASTM E 413-10
Nrc standard	ASTM C 423
Thickness mm	19
Weight kg m2	3.3
Colour design	RAL et NCS disponibles à l’impression sur demande
Dimensions mm	600 x 600, 625 x 625, 1200 x 600, 1250 x 625
Alpha w values	0.90; 0.95; 1.00
Absorption class	A
Air permeability	PM1 (≤ 30 m³/hm²)
Humidity resistance	95% RH
Alpha p by frequency	125 Hz: 0.50; 250 Hz: 0.80; 500 Hz: 0.90; 1000 Hz: 0.90; 2000 Hz: 1.00; 4000 Hz: 1.00
Reaction to fire class	A2-s1,d0 / C-s1,d0
Air permeability standard	DIN 18177
Reaction to fire standard	EN 13501-1
Thermal conductivity w mk	0.04
Lateral attenuation dnf w db	28
Lateral attenuation standard	EN ISO 717-1
Thermal conductivity standard	EN 12667

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Technical specifications