... .Sound absorbing, Fire proof. 2.With soundtex sound-absorbing. 0.5-1.0mm thickness PVDF-coating acoustic ceilings and panels description ... CAC≥24dB Punched panel with soundtex paper, noise reduction: NRC≥0.7Fire performance: China Grade A (GB8624) Products Merit:Easy ... exhibition center, airport, metro station,school, sports center and etc. 0.5-1.0mm thickness PVDF-coating acoustic ceilings and panels