How to produce FRP XPS sandwich panels and their characteristics and uses. FRP XPS sandwich panels using two flat FRP Sheets and XPS Foam as core materials have excellent performance and are widely used. We are a professional Chinese manufacturer of both 1.5mm flat FRP sheet or 2mm flat FRP sheet to produce the sandwich panels by your own, or need to buy FRP XPS foam sandwich panel that is already laminated.   Read More>