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Knauf

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Delta 4 Quadril 5

Product	Alpha w	Nominal	Backing type	Absorption coefficient 125hz	Absorption coefficient 250hz	Absorption coefficient 2000hz
Delta 4 Quadril 5	0.5	Plénum 200 mm - Sans LM	Sans LM	0.25	0.65	0.45
Delta 4 Quadril 5	0.55	Plénum 200 mm - LM60	LM60	0.5	0.75	0.5

Material	gypsum
Page produit	424-436
Test reference	estimation
Reaction au feu	A2-s1,d0
Perforation type	Quadril
Alpha w qualifier	L
Backing thickness mm	60
Suspension height mm	200
Taux perforation pct	7,84 à 19,53
Reaction to fire class	A2-s1,d0
Absorption coefficient 500hz	0.65
Absorption acoustique alpha w	0,35 à 0,90
Absorption coefficient 1000hz	0.55
Absorption coefficient 4000hz	0.5

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Variants (2)