Total Thickness: 45.0mm. Upper Surface: 1.5mm FRP sheet. Core Material: 40~50kg/m³ PU foam core. Bottom Surface: 2.0mm FRP sheet. Category: PU Foam Core Sandwich Panels Get a Quote Description Description Related products Quick View Quick View Aluminum Skin PU Sandwich Panels for RV Quick View Quick View 75mm UV-resistant PU Foam Sandwich Panels Quick View Quick View 80mm CFRT Skin PU Sandwich Panels for RV