Frp and polyurethane foam sandwich panels 1, Excellent price and quality ... 12-35kg/m3,PU 35-50kg/m3Conventional colorOcean blue, tephrosiouslifetime15~20 yearsCharacterLight in weight, heat insulation, water resistant, green and environmentalUsevarious ... , ChinaZip: 201505Tel: 86-21-37695697Fax: 86-21-37695695Mobile Phones:: +8613916952223 Frp and polyurethane foam sandwich panels