... 1,220 x 2,440mm 3.Excellent heat preservation and sound insulation specificationStandard size: 1,220 x 2,440mm ... 20mm, 25mm, 30mm, 50mm featureMade of aluminum honeycomb core and face panel through panel pretreatment, primer application, color lacquer finishing ... and dimensions can be designed and manufactured according to the demand of the customers Aluminum Honeycomb Panel stone texture building and ...