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Delta 4 Rond 6 Alterné (12/20/66) - LM 60

Alpha w	0.7
Material	gypsum
Condition	LM 60
Page produit	418
Certification	AC 02-053/6
Pattern ratio	12/20/66
Reaction au feu	A2-s1,d0
Perforation type	Alterné
Suspension height mm	200
Taux perforation pct	13,40 à 19,60
Absorption coefficient 125hz	0.5
Absorption coefficient 250hz	0.85
Absorption coefficient 500hz	0.8
Absorption acoustique alpha w	0,70(L) à 0,80(L)
Absorption coefficient 1000hz	0.75
Absorption coefficient 2000hz	0.65
Absorption coefficient 4000hz	0.6

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