... Metal suspended ceilings, clip in tile, with thickness 0.5-1.2mm 1) High quality metal ... range size Metal suspended ceilings, clip in tile, with thickness 0.5-1.2mm description:Material: aluminum alloy.Surface: powder ... 1.5 Ultra micro-hole (linear arrangement) Φ1.0 Φ0.8Sound InsulationNo punched panel: CAC≥40dBPunched panel: CAC≥24dB ... : Metal suspended ceilings, clip in tile, with thickness 0.5-1.2mm