Shumanet-BM
SHUMANET-BM basalt-based mineral slabs are one of the most effective ones in the category of sound-absorbing building materials. The mandatory quality control of each slab ensures stably high acoustic and consumer properties of this product Request PriceShumanet-BM is a non-combustible (KM0 fire safety class according to Federal Law of the Russian Federation №123) basalt-based sound absorbing mineral slab, manufactured using advanced technology at the production facilities of the Acoustic Group Company. Low specific weight (47 kg/cu.m) provides minimum load on the supporting structure and the assembly without the use of special devices.
You can find out the prices of Shumanet BM and other products of the Company in the full price list.
Application Area
The material is designed to fill the cavities between the supporting structures and linings made of sheet materials during installation of frame structures in residential and industrial premises. The high technical sound absorption performance of Shumanet-BM allows for achieving effective sound insulation levels of structures with a minimum increase in their weight.
Composition
Basalt-based mineral slab, hydrophobically treated, eliminating moisture accumulation inside the material.
Distinctive Features
- Professional soundproofing;
- Quality control of each slab;
- Non-combustible (KM0 fire safety class according to Federal Law of the Russian Federation №123).
Dimensions
- Slab length: 1200 mm
- Slab width: 600 mm
- Slab thickness: 50 mm
Physical characteristics
- Volume density: 47 kg/m3
- Quantity per package: 4 pcs
- Amount in the package: 2,88 m2
- Package volume: 0,144m3
- Package weight: 6,8 kg
Reverberant acoustic absorption factor
Acoustic tests have been carried out by acoustic measurements laboratory NIISF RAASN, Moscow
| Frequency (Hz) | 100 | 125 | 160 | 200 | 250 | 320 | 400 | 500 | 630 |
|---|---|---|---|---|---|---|---|---|---|
| SHUMANET-BM without a space between solid surface | 0,14 | 0,26 | 0,40 | 0,56 | 0,67 | 0,82 | 1,00 | 1,00 | 1,00 |
| SHUMANET-BM slabs with 50 mm space between solid surface | 0,45 | 0,54 | 0,68 | 0,76 | 0,92 | 0,96 | 0,99 | 1,00 | 1,00 |
| Frequency (Hz) | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3200 | 4000 | 5000 |
| SHUMANET-BM without a space between solid surface | 1,00 | 1,00 | 1,00 | 1,00 | 0,99 | 0,99 | 0,93 | 0,90 | 0,90 |
| SHUMANET-BM slabs with 50 mm space between solid surface | 1,00 | 1,00 | 0,98 | 0,95 | 0,90 | 0,88 | 0,85 | 0,83 | 0,80 |
Sound absorption factor αw = 0,95