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Delta Linear Quadril 12/25

Note	(1) Selon RE CSTB n° AC 14-26051731-2; (2) Selon RE CSTB n° AC 14-26051731-1; (3) Selon RE CSTB n° AC 13-26041511-1
Nominal	1200x2000 mm
Material	gypsum
Width mm	1200
Edge type	Linear
Length mm	2000
Page produit	424-436
Reaction au feu	A2-s1,d0
Perforation type	Quadril
Perforation pattern	12/25
Taux perforation pct	7,84 à 19,53
Reaction to fire class	A2-s1,d0
Acoustic absorption data	Plénum 200mm: LM60(1) - 125Hz:0.65,250Hz:0.90,500Hz:0.90,1000Hz:0.85,2000Hz:0.85,4000Hz:0.75,αw:0.85(L); Sans LM(2) - 125Hz:0.45,250Hz:0.80,500Hz:0.90,1000Hz:0.70,2000Hz:0.70,4000Hz:0.60,αw:0.70(L). Plénum 300mm: LM70(3) - 125Hz:0.75,250Hz:0.85,500Hz:0.85,1000Hz:0.90,2000Hz:0.85,4000Hz:0.80,αw:0.90.
Absorption acoustique alpha w	0,35 à 0,90

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