30303355.4 Density: 60-150 kg/m³ Raw materials: Basalt Thickness: 25-150mm Asbestos: 100% Non Asbestos Function: Thermal insulation, Sound absorption
Direct Radiator closed-box enclosure acoustical lining airflow resistivity (Fr) Fr: 12,000 Rayls/m
| Material | Sample | Condition | Two mic method, MKS Rayls/m | Three mic method, MKS Rayls/m |
|---|---|---|---|---|
| Rockwool | DD2 | Uncompressed | 12,000 | 18,000 |
| Foam | Foam 2 | Uncompressed | 3,500 | 4,000 |
| Foam 3 | Uncompressed | 4,000 | 4,500 |
Materials for Noise Control: Paper ICA2016-490
Type
- AFB Acoustic Fire Batt Insulation
- DD HardRock® Multi-Fix - High Density
- RXX eg. R24 COMFORTBATT
- Safe ‘n’ Silent
What to by
from https://www.jochenschulz.me/en/blog/rockwool-glasswool-hemp-best-absorber-materia
This would be the best ROCKWOOL Safe ‘n’ Silent Pro 350 (60kg/m3) - furringline.com