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Delta UFF 8​/​15​/​20 R

Knauf

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Delta UFF 8​/​15​/​20 R

Alpha w0.5
Nominal1200 x 2000 mm
Edge typeDelta UFF
Perforation8/15/20 R
Plan size mm1200x2000
Absorption 125hz0.45
Absorption 250hz0.5
Absorption 500hz0.55
Absorption 1000hz0.5
Absorption 2000hz0.4
Absorption 4000hz0.5
Certification referenceRE A 004-10.09
Absorption test conditionPlénum 200 mm, LM 20
Absorption coefficients hzPlénum 65mm LM20: 0.35/0.45/0.55/0.55/0.40/0.45 αw=0.50; Plénum 65mm Sans LM: 0.15/0.30/0.50/0.60/0.45/0.45 αw=0.50; Plénum 200mm LM20: 0.45/0.50/0.55/0.50/0.40/0.50 αw=0.50; Plénum 200mm Sans LM: 0.40/0.50/0.55/0.50/0.40/0.45 αw=0.50; Plénum 400mm LM20: 0.45/0.50/0.50/0.55/0.45/0.45 αw=0.50; Plénum 400mm Sans LM: 0.45/0.50/0.50/0.50/0.40/0.45 αw=0.50

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