... , good impact resistance,heat insulation, sound insulation,and fire-resistant Aluminum composite panel/building material/panel/acp/aluminium composite panel ... Sqm based on 4mm thick Standard size: 1,220 x 2,440mm (nonstandard sizes are available according to ... resistance Excellent in heat insulation, sound insulation, fire-, acid-, alkali-, weather-resistant and non-resonance Can be easy installation, ...