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Delta Linear Aléatoire 8​/​15​/​20

Knauf

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Delta Linear Aléatoire 8​/​15​/​20

Alpha w0.55
Nominal1200 x 2000 mm
Edge typeLinear
Perforation8/15/20 Aléatoire
Plan size mm1200x2000
Absorption 125hz0.55
Absorption 250hz0.7
Absorption 500hz0.6
Absorption 1000hz0.55
Absorption 2000hz0.5
Absorption 4000hz0.5
Certification referenceRE CSTB n° AC 98-020/4; RE 13-26045693-1
Absorption test conditionPlénum 200 mm, LM 60
Absorption coefficients hzPlénum 200mm LM60: 0.55/0.70/0.60/0.55/0.50/0.50 αw=0.55(L) [RE CSTB n° AC 98-020/4]; Plénum 200mm Sans LM: 0.25/0.55/0.55/0.50/0.45/0.45 αw=0.50(L) [RE CSTB n° AC 98-020/4]; Plénum 300mm LM70: 0.55/0.65/0.65/0.65/0.50/0.50 αw=0.60(L) [RE 13-26045693-1]

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