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In order to further optimize the properties of polystyrene permeable flame retardant composite insulation board, the composition, properties and flame retardant mechanism of graphite polystyrene permeable flame retardant composite insulation board were discussed in this paper. The properties of graphite polystyrene substrate and permeable flame retardant, the optimum ratio of permeable flame retardant. The tensile strength, compressive strength, thermal conductivity and softening coefficient perpendicular to the plate surface are discussed, and the endothermic flame retardant mechanism of osmotic flame retardant was discussed. The results show that graphite polystyrene permeable flame retardant composite insulation plate does not reduce its combustion and mechanical properties when reduces the density and thermal conductivity.

Study on Properties of Graphite Polystyrene Permeable Composite Insulation Board