The ideal solution for high sound attenuation requirements. The combination of high density, bio-soluble mineral wool with clay and starch provides excellent physical characteristics, particularly for acoustic performance. Our AMF Acoustic Range carries the Declare label. System Two way exposed grid system Dimensions 600 x 600 mm, 1200 x 600mm (other sizes available on request) Thickness / weight 24 mm (c. 8.4 kg/m²) Colour White similar to RAL 9010 Edge details SK, VT 24 (other profiles available on request) Sound absorption NRC = 0.70 as per ASTM C 423 Sound attenuation CAC = 41 dB as per ASTM E413-10 Sound insulation Rw = 24 dB as per EN ISO 10848 Fire resistance Group 1-S (as per ISO 5660 Parts 1 and 2) Light reflectance up to 88% Thermal conductivity λ = 0.052 – 0.057 W/mK as per DIN 52612 Humidity up to 95 % RH