Krešimirova 71, Starigrad 48000 Koprivnica, Croatia
info@sonitus.eu
Acoustic polyester fleece on the roll, 20 mm, 20 kg/m³, color White.
Bluefiber Wool 20 White is a sound-absorbing acoustic fleece of 100% polyester, thermally bonded without chemical binders, made in Germany. It is 20 mm thick with a density of 20 kg/m³ and comes on rolls of 1.20 m × 36 m. Weighted sound absorption coefficient αw = 0.45 (class D) measured directly on the surface; reaction to fire B-s2, d0 (EN 13501-1); thermal resistance R = 0.61 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 White: Bluefiber Wool 15, Bluefiber Wool 30, Bluefiber Wool 40. All thicknesses and colors are listed on the Bluefiber Wool page.
Bluefiber – OEKO-TEX® Standard 100 certificate (EN)
pdf
Bluefiber – REACH declaration (EN)
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Bluefiber Wool 20 White – Technical data sheet (DE)
pdf
Direct mounting · αw = 0.45 (class D)
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.04 | 0.06 | 0.13 | 0.15 | 0.24 | 0.27 | 0.38 | 0.48 | 0.57 | 0.64 | 0.71 | 0.76 | 0.81 | 0.85 | 0.90 | 0.94 | 0.95 | 0.98 | 0.45 | D |
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.