FRP PU sandwich panel/plate

the detail of PU sandwich Standard Size: 1220×2440×480mm Density: 35 80kg/m3 Thermal conductivity :less than 0.022mW/(m2•K) Anti-burning properties:less than 5S from self-extinguishing fire Rate of fireproof: more than B2 Tensile strength :more than 200kpa Dimensional stability :70°C,48H less than 0.6% Water absorption :less than 2.5% (v/v) operating life :30year PU rigid foaming is well know as the best heat insulation construction material, low thermal conductivity,high endure load ,high bending resistance, no sop up and rot, no bug and rat bite, superior inflaming retarding,large scope endure high temperature our copmpany produce many kinds of PU sandwich plate, if you are in need, please contact us, don't hesitate to inqury/