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VARIOLINE Symetra Vector

Nrc	0.7
Cac db	39
Colour	Blanc
System	Dalles semi-apparentes, démontables - Système C
Alpha w	0.65
Nominal	24 mm
Material	mineral
Edge type	Vector
Air quality	A+
Cac standard	ASTM E 413-10
Nrc standard	ASTM C 423
Thickness mm	24
Weight kg m2	8.6
Dimensions mm	600 x 600, 625 x 625, 1200 x 600
Alpha p 125 hz	0.45
Alpha p 250 hz	0.4
Alpha p 500 hz	0.6
Alpha w values	0.60; 0.65; 0.70; 0.75
Alpha p 1000 hz	0.8
Alpha p 2000 hz	0.95
Alpha p 4000 hz	1
Absorption class	C
Air permeability	PM1 (≤ 30 m³/hm²)
Surface patterns	Rg 2,5-10, Rg 4-10, Rg 4-16, Rg 4-16 / 4x4, RS 15-20
Alpha w condition	H
Absorption standard	EN ISO 11654
Humidity resistance	95% RH
Reaction to fire class	A2-s1,d0
Flanking sound standard	EN ISO 717-1
Air permeability standard	DIN 18177
Reaction to fire standard	EN 13501-1
Thermal conductivity w mk	0.075
Thermal conductivity standard	EN 12667
Weighted flanking sound reduction db	38

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Technical specifications