▎ 摘　　要

NOVELTY - The utility model model claims a middle-high density fibre board with ultra-low formaldehyde content in ultra-low formaldehyde high density fibre board technology field, wherein the top and the bottom of the polyurethane insulating cotton layer are fixedly paved with a nanometre silicon layer, the side wall of one side of the nanometre silicon layer far away from the polyurethane insulating cotton layer is paved with a honeycomb lining board, the side wall of one side of the honeycomb lining plate far away from the nano-silicon layer is paved with a nano graphene layer, one side wall of the nano graphene layer far away from the honeycomb lining plate is paved with a flame-retardant fiber layer, the top and the bottom of the high density fibre plate unit are fixedly assembled with a coating wear-resistant layer paved on the outer side wall of the flame-retardant fiber layer, the nano-silicon layer is uniformly embedded with chitin strip-shaped belt, it not only can effectively remove the formaldehyde, and can effectively absorb and decompose harmful substances released by other materials, it also can absorb the other gas in the air, the formaldehyde content is ultra-low and the environment-friendly property is strong.