High-porosity polyurethane foam material

The utility model discloses a high-porosity polyurethane foam material, and relates to the technical field of sponges, the high-porosity polyurethane foam material comprises a sponge plate, a limiting block is fixedly mounted on one side of the sponge plate, and first limiting holes are formed in the top end and the bottom end of the limiting block; limiting grooves matched with the limiting blocks are formed in the sides, away from the first limiting holes, of the sponge plates, second limiting holes are formed in the positions, located at the top ends and the bottom ends of the limiting grooves, of the sponge plates, and mounting grooves are formed in the top ends and the bottom ends of the sides, close to the limiting grooves, of the sponge plates; and a sealing strip is fixedly bonded to the top end of the mounting groove, a limiting pin is fixedly mounted on one side of the sealing strip and penetrates through the first limiting hole and the second limiting hole, and a sponge base layer is arranged in th