Carbon Fiber RTM Mat Coreflow Mat Fiberglass Core Mat Core Mat is a new material,consisting of a synthetic non-woven core,sandwiched between two layers of chopped glass fibers or one layer of chopped glass fibers and the other one layer of multiaxial fabric/woven roving.Mainly used for RTM,Vacuum Forming,Molding,Injection Molding and SRIM Molding process,applied to FRP boat,automobile,aeroplane,panel,etc.