... block.Less air used Product name:expandable polystyrene(EPS)Grade : Fire Retardant ( Grade F-501) Applications: Insulation, board stock and ... so onCharacteristic:Fire retardant B2, uniform size,low density of block,high foaming ... 0.6mm Applications: Insulation, board stock and so onCharacteristic:Fire retardant B2, uniform size,low density of block,high ...