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Delta 4 Quadril Q2F

Product	Alpha w	Nominal	Backing type	Absorption coefficient 125hz	Absorption coefficient 500hz	Absorption coefficient 1000hz
Delta 4 Quadril Q2F	0.55	Plénum 200 mm - Sans LM	Sans LM	0.4	0.6	0.5
Delta 4 Quadril Q2F	0.65	Plénum 200 mm - LM60	LM60	0.5	0.7	0.6

Material	gypsum
Page produit	424-436
Reaction au feu	A2-s1,d0
Perforation type	Quadril
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 250hz	0.65
Absorption acoustique alpha w	0,35 à 0,90
Absorption coefficient 2000hz	0.55
Absorption coefficient 4000hz	0.45

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