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 80mm CFRT Skin PU Sandwich Panels for RV Quick View Quick View Aluminum Skin PU Sandwich Panels for RV Quick View Quick View 75mm UV-resistant PU Foam Sandwich Panels