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Knauf

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Delta 4 Quadril 1

Product	Alpha w	Nominal	Backing type	Backing thickness mm	Suspension height mm	Absorption coefficient 125hz
Delta 4 Quadril 1	0.5	Plénum 50 mm - Sans LM	Sans LM	—	50	0.1
Delta 4 Quadril 1	0.65	Plénum 200 mm - Sans LM	Sans LM	—	200	0.25
Delta 4 Quadril 1	0.75	Plénum 200 mm - LM60	LM60	60	200	0.55
Delta 4 Quadril 1	0.75	Plénum 50 mm - LM45	LM45	45	50	0.4

Material	gypsum
Page produit	424-436
Test reference	AC98-020/3
Reaction au feu	A2-s1,d0
Perforation type	Quadril
Taux perforation pct	7,84 à 19,53
Reaction to fire class	A2-s1,d0
Absorption coefficient 250hz	0.7
Absorption coefficient 500hz	0.85
Absorption acoustique alpha w	0,35 à 0,90
Absorption coefficient 1000hz	0.8
Absorption coefficient 2000hz	0.7
Absorption coefficient 4000hz	0.65

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Variants (4)