White carbon black (scientific name silica, SiO ₂) is an amorphous white powder that has become a core additive in rubber, plastics, coatings, pharmaceuticals, and other fields due to its unique microstructure (high specific surface area, porosity) and excellent physical and chemical properties. Compared with traditional carbon black, white carbon black has better reinforcement, transparency, and environmental friendliness, especially in green tire manufacturing, which can reduce rolling resistance by 15% -20% and help improve the range of new energy vehicles. With the promotion of the "dual carbon" target, the annual growth rate of demand for white carbon black market exceeds 8%. China has become the world's largest producer, but high-end products still rely on imports, and technological breakthroughs have become the key to the industry.