Delta Linear Rectiligne 8/18

Alpha w	0.8
Nominal	8/18
Material	plaster
Plenum mm	50
Profile type	Rectiligne
Slot width mm	8
Slot centres mm	18
Certification reference	AC98-020-4, AC13-26048769, AC13-26041511-1
Absorption coefficients hz	Plénum 50mm LM45: 125Hz=0.40,250Hz=0.70,500Hz=0.80,1000Hz=0.70,2000Hz=0.60,4000Hz=0.60,αw=0.70; Plénum 50mm Sans LM: 0.10,0.25,0.50,0.65,0.65,0.50,αw=0.50(L); Plénum 200mm LM60: 0.60,0.75,0.75,0.75,0.70,0.70,αw=0.75; Plénum 200mm Sans LM: 0.45,0.70,0.75,0.65,0.65,0.70,αw=0.70; Plénum 300mm LM70: 0.65,0.80,0.80,0.80,0.70,0.70,αw=0.80

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