Entering September 2026, China’s strategy for self‑reliance and controllability of new‑material industries keeps advancing, speeding up the domestic substitution process for chemical powder materials. For a long time, the high‑end specialty precipitated silica market has long been dominated by foreign manufacturers. Domestic high‑end manufacturing, new‑energy sectors, premium coatings and electronic sealing materials have been highly dependent on imported powder products. After years of continuous R&D investment and technical breakthroughs, leading domestic precipitated silica enterprises have made major progress in core technologies including surface modification, precise pore regulation, batch stability control and ultra‑high‑purity purification. High‑performance domestic precipitated silica products have gradually passed strict certification tests from top downstream clients, kicking off a wave of domestic substitution for high‑end powder materials.

　　For a long period in the past, most production capacity of China’s precipitated silica industry focused on general reinforcing grades of precipitated silica with mainstream specifications. Technical weaknesses remained in sophisticated fields such as precise micro‑structure regulation, targeted modification of surface functional groups and low metal‑ion control. For applications with extremely high requirements on powder consistency, including high‑end tire formulations, optical coatings, electronic potting adhesives and pharmaceutical excipients, downstream manufacturers had to adopt imported materials to guarantee end‑product quality. Relying on mature modification formulas, long‑term application data accumulation and comprehensive technical service systems, overseas brands retained pricing power in the high‑end market. Expensive imported specialty precipitated silica raised manufacturing costs across China’s new‑material industrial chain and weakened the global competitiveness of domestic finished products.

　　In recent years, domestic research institutions and leading manufacturers have carried out joint research, achieving technical breakthroughs in multiple dimensions such as precipitation reaction mechanisms, surface modification additives, drying and forming processes, as well as full‑process impurity control. By optimizing precipitation reaction curves, manufacturers accurately adjust primary particle size and pore distribution of precipitated silica. Environment‑friendly special modifiers are developed to flexibly regulate the hydrophobic and lip‑hilic properties of powder surfaces. Sealed and upgraded purification production lines strictly reduce heavy‑metal residues and free impurities. Through repeated pilot‑test iterations, key performance indicators of domestic high‑end precipitated silica including dispersibility, reinforcing effect, weathering stability and insulation performance have reached or even partially surpassed imported counterparts, realizing stable large‑scale industrial supply and offering reliable alternative materials for downstream customers.

　　Downstream local manufacturers have raised awareness of supply‑chain security, and an increasing number of brands have launched verification programmes for domestically‑produced materials. In tracks such as new‑energy tires, photovoltaic encapsulant adhesives, high‑grade water‑based industrial coatings, lithium‑battery supporting materials and pharmaceutical excipients, domestic producers have successively conducted lab trials, pilot production and long‑term aging evaluations for home‑grown precipitated silica. The complete certification procedure from laboratory formulation assessment, production‑line stability inspection to durability verification of final products lasts for a long cycle. At present, multiple modified domestic precipitated silica grades have passed all testing procedures, been added to the qualified supplier lists of leading domestic enterprises, and gradually shifted from small‑batch trial orders to large‑scale procurement. Domestic powder materials are effectively capturing market share previously occupied by overseas brands.

　　Besides matching the performance of imported products, domestic precipitated silica boasts unique advantages in localized technical services, delivery cycles, cost management and customized development. Foreign chemical suppliers feature long delivery lead times, slow response for tailored modification development and high expenses for on‑site after‑sales technical support. In contrast, local precipitated silica manufacturers can rapidly respond to clients’ R&D demands, adjust powder modification schemes according to formulation pain points, and provide sample testing, on‑site process debugging and mass‑production troubleshooting nearby. Such flexible and efficient local supporting capabilities further accelerate the substitution of imported materials, helping downstream enterprises cut raw‑material procurement costs and shorten new‑product development cycles.

　　The large‑scale industrialization of domestic high‑end precipitated silica also drives the growth of the whole supporting industrial chain in China. Upstream and downstream segments covering silicon‑source raw materials, modification additives, special‑purpose production equipment and precision testing instruments have realized domestic iteration alongside the high‑end upgrading of precipitated silica, forming a complete, self‑controllable industrial cluster for new powder materials. The overall improvement of industrial‑chain strength in turn promotes continuous process optimization for precipitated silica, bringing out new high‑performance grades and gradually covering more high‑end segmented fields that once relied entirely on imports, and building a virtuous‑cycle local new‑material ecosystem.

　　In terms of market‑pattern changes, the landscape of the high‑end precipitated silica market is being reshaped quietly. The previous monopoly held by overseas brands has been broken. High‑performance domestic products keep diverting high‑value orders, transforming the market from exclusive foreign dominance into competition between domestic and imported products. As the penetration rate of domestic materials rises, market prices for high‑end precipitated silica return to a reasonable range. More small‑and‑medium‑sized new‑material enterprises are able to adopt high‑performance modified precipitated silica to develop premium products, stimulating innovation vitality across the whole downstream new‑material industry.

　　Looking ahead, domestic substitution for precipitated silica will not be limited to copying existing imported products. The next phase of competition will focus on original formulas, innovative functional grades and joint development for cutting‑edge application scenarios. Local powder enterprises will establish deep partnerships with domestic high‑end manufacturers to develop a new generation of functional precipitated silica for forward‑looking fields including next‑generation new‑energy devices, aerospace composite materials and premium medical materials, shifting from catching‑up with imported products to leading technological innovation in new materials. With the continuous improvement of independent technical strength, domestic precipitated silica will gain greater discourse power in the global high‑end powder market and support China’s new‑material industry to achieve high‑level self‑reliance.