Krešimirova 71, Starigrad 48000 Koprivnica, Croatia
info@sonitus.eu
Acoustic polyester fleece on the roll, 40 mm, 20 kg/m³, color Black.
Bluefiber Wool 40 Black is a sound-absorbing acoustic fleece of 100% polyester, thermally bonded without chemical binders, made in Germany. It is 40 mm thick with a density of 20 kg/m³ and comes on rolls of 1.20 m × 18 m. Weighted sound absorption coefficient αw = 0.75 (class C) measured directly on the surface; reaction to fire B-s2, d0 (EN 13501-1); thermal resistance R = 1.21 m²K/W.
Wool is the Bluefiber for places where the absorber stays hidden: as absorbent filling in partition walls, ceilings and furniture, behind perforated or fabric-covered panels, and inside enclosures of machines and appliances. It is soft and easy to cut to size.
Other thicknesses in Black: Bluefiber Wool 15, Bluefiber Wool 20, Bluefiber Wool 30. All thicknesses and colors are listed on the Bluefiber Wool page.
Bluefiber – OEKO-TEX® Standard 100 certificate (EN)
pdf
Bluefiber – REACH declaration (EN)
pdf
Bluefiber Wool 40 Black – Technical data sheet (DE)
pdf
Direct mounting · αw = 0.75 (class C)
| 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1 kHz | 1.25 kHz | 1.6 kHz | 2 kHz | 2.5 kHz | 3.15 kHz | 4 kHz | 5 kHz | αw | Class |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.06 | 0.11 | 0.21 | 0.30 | 0.44 | 0.59 | 0.71 | 0.81 | 0.81 | 0.86 | 0.99 | 1.00 | 0.99 | 1.04 | 1.09 | 1.07 | 1.04 | 1.07 | 0.75 | C |
Sandler AG product information: reverberation room measurement per ISO 354, αw and class per ISO 11654.
Tell us where you want to use it and we will recommend the right setup.