VARIOLINE Symetra Finesse

Nrc	0.85
Cac db	35
Colour	Blanc
System	Caché, démontable - Système A.2 / A.3
Alpha w	0.9
Nominal	19 mm
Material	mineral
Edge type	Finesse
Air quality	A+
Cac standard	ASTM E 413-10
Nrc standard	ASTM C 423
Thickness mm	19
Weight kg m2	5.2
Dimensions mm	600 x 600, 625 x 625, 1200 x 600, 1250 x 625
Alpha p 125 hz	0.5
Alpha p 250 hz	0.7
Alpha p 500 hz	0.8
Alpha w values	0.90; 0.95; 1.00
Alpha p 1000 hz	0.9
Alpha p 2000 hz	1
Alpha p 4000 hz	1
Absorption class	A
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
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	0.06
Thermal conductivity standard	EN 12667
Weighted flanking sound reduction db	34

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Technical specifications