Metal suspended ceilings, clip in tile, with thickness 0.5-1.2mm 1) High ... 2) wide range size Metal suspended ceilings, clip in tile, with thickness 0.5-1.2mm description:Material: aluminum alloy ... punched panel: CAC≥40dBPunched panel: CAC≥24dB punched panel with soundtex paper, noise reduction: NRC≥0.7Fire performance: ... Lay-in ceilings: Metal suspended ceilings, clip in tile, with thickness 0.5-1.2mm