The utility model discloses a
flame-retardant high-strength PP board, which comprises a first board body, a
flame-retardant component is arranged on the inner side of the first board body, the
flame-retardant component comprises a bread board, a
honeycomb board, a spacing board, a corrugated board and a second board body, the bread board is arranged on the inner side of the first board body, the
honeycomb board is arranged on the top of the bread board, and the spacing board is arranged on the top of the second board body. The partition plate is arranged at the top of the
honeycomb plate, the corrugated plate is arranged at the top of the partition plate, the second plate body is detachably arranged at the top of the first plate body, a disassembling
assembly is arranged between the first plate body and the second plate body, and the disassembling
assembly comprises a fixing rod, a mounting hole and a fixing sleeve. The fixing rods are uniformly and fixedly mounted on the first plate body, the mounting holes are uniformly formed in the second plate body, the fixing rods are matched with the mounting holes, and the fixing sleeves are detachably arranged on the fixing rods so as to solve the problem that in the using process of an existing common PP plate mentioned in the background technology, the PP plate is not prone to falling off in the using process. The flame-retardant and high-strength functions are not realized.