Sponge foam sealing strip is a porous and highly elastic material, commonly known as porous foam rubber, foam rubber, microcellular rubber and mesh rubber.It is a general term for various rubbers with a perforated structure.Sponge rubber is due to its special structure It can produce a variety of special effects, which can increase elasticity and capacity, improve the cushioning effect and the printing and dyeing effect of patterns, patterns, and have heat insulation effects, improve fusion, improve comfort, improve sound insulation effects, and attract effects.