... NBY series ceramice fiber board is made from full BY ceramic fiber in a automatic wet vacuue forming process. The picture ... shows ceramic fiber board with wood pallet packing,density 280kg/m3,Thickness ... Strength Mpa0.40.40.4Chemcalcomposition%AL2O33942 AL2O3+SIO29698--AL2O3+SIO2+ZrO2----99ZrO2---->10Density:250,280,300,320 ,350,400KG/M3 Size ...