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Delta 4 Quadril 2

Knauf

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Delta 4 Quadril 2

ProductAlpha wNominalBacking typeAbsorption coefficient 125hzAbsorption coefficient 250hzAbsorption coefficient 1000hz
Delta 4 Quadril 20.6Plénum 200 mm - Sans LMSans LM0.30.650.55
Delta 4 Quadril 20.65Plénum 200 mm - LM60LM600.50.80.65
Materialgypsum
Page produit424-436
Test referenceestimation
Reaction au feuA2-s1,d0
Perforation typeQuadril
Alpha w qualifierL
Suspension height mm200
Taux perforation pct7,84 à 19,53
Reaction to fire classA2-s1,d0
Absorption coefficient 500hz0.7
Absorption acoustique alpha w0,35 à 0,90
Absorption coefficient 2000hz0.55
Absorption coefficient 4000hz0.5

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