Bacteria produced by crevices, especially for families with children, have a great impact on the production of garbage is not easy to clean. When the ground is cleaned, the crevice becomes black, which affects the visual effect. DBOSS sealant is refined from imported macromolecule NANO-POLYMER and high-grade pigments. Its structure is compact and uniform, forming a dense protective film on the surface, which overcomes the shortcomings of inorganic materials that are easy to seep water, and the overall effect of decorating the room.