минерального волокна доска

Material: Wet Formed Mineral fiber sound insulationDecorative performance:Beautiful decorative patterns give space more flexibility.Sound absorptionIt can effectively reduce indoor noise and improve acoustical qualityDensity 280-320kgs/m³ for lowdensity ; 350 420kgs/m3 for high density Fiber content: ≥90%Fire performance: Meet CNS6532 Class 1IncombustibilityIt is characterized by good fire-proof performanceThermal conductivity: ≤0. 065w/mkBending strength: >250NAcoustic coefficient:0.4 - 0.6 (Noise reduction coefficient: NRC 0. 4 - 0. 6 depending on the pattern and the thickness)