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Delta LinearAléatoire 8​/​15​/​20

Knauf

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Delta LinearAléatoire 8​/​15​/​20

Nominal8/15/20
Materialplâtre
Perforation codeLinearAléatoire 8/15/20
Perforation rate percent9.9
Absorption coefficients hzLM 60 - 200mm: 125Hz=0.55, 250Hz=0.70, 500Hz=0.60, 1000Hz=0.55, 2000Hz=0.50, 4000Hz=0.50, αw=0.55 (L) | Sans LM - 200mm: 0.25, 0.55, 0.55, 0.50, 0.45, 0.45, αw=0.50 (L) | LM 70 - 300mm: 0.55, 0.65, 0.65, 0.65, 0.50, 0.50, αw=0.60 (L)

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