... inside smoothness,cleanness,surface level off.2.PC is safe for using as airflow in showcase. 3.lower shrink rate when ... .0mm---8.0mmCommon dimension: 1220x2400mmThickness: 5mm---400mm Tolerance:+/-0.5mmSpecial dimension,corecell,color,tolerance,shape can be made according to clients request ... heating/, warming/, drying. light weight transmitting Polycarbonate Honeycomb core Plastic for yacht from china