Acoustic insulation formed by a semi-rigid panel of glass wool, 30 mm thick, coated on one side with a black mineral veil, thermal resistance 0.79 m²K/W, thermal conductivity 0.038 W/(mK), density 70 kg/m³, specific heat 840 J/kgK, medium acoustic absorption coefficient 0.65 at a frequency of 500 Hz, and diffusion resistance factor to water vapor 1, placed inside the cavities of the silencer for rectangular ducts.
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| Code | NBQ010 |
| Category | Maquinaria y equipos industriales |
| Subcategory | |
| Unit | m² |
| Resource Type | material |
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No credit card required · Free plan forever · Last updated April 21, 2026
| Last Updated |
| April 21, 2026 |