Frp and polyurethane foam sandwich panels 1, Excellent price and quality 2, Light weight 3, Easy installation 4, ISO90 sandwich panelProduct DescriptionHeat Insulation / ... , noise-absorbing2. Fire resistance raring: NoneUsage:This kind of sandwich panel can be used in steel structure workshop, easy building ... : 86-21-37695695Mobile Phones:: +8613916952223 Frp and polyurethane foam sandwich panels