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Delta UFF 12​/​20​/​35 R

Knauf

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Delta UFF 12​/​20​/​35 R

Alpha w0.45
Nominal1200 x 1000 mm
Edge typeDelta UFF
Perforation12/20/35 R
Plan size mm1200x1000
Absorption 125hz0.45
Absorption 250hz0.55
Absorption 500hz0.6
Absorption 1000hz0.5
Absorption 2000hz0.35
Absorption 4000hz0.4
Certification referenceRE A 004-10.09
Absorption test conditionPlénum 200 mm, LM 20
Absorption coefficients hzPlénum 65mm LM20: 0.35/0.50/0.65/0.55/0.35/0.35 αw=0.45(L); Plénum 65mm Sans LM: 0.15/0.30/0.55/0.55/0.40/0.35 αw=0.45; Plénum 200mm LM20: 0.45/0.55/0.60/0.50/0.35/0.40 αw=0.45(L); Plénum 200mm Sans LM: 0.40/0.50/0.60/0.45/0.35/0.35 αw=0.45(L)

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