Ceramic Fiber Export Mix Shifts, with High-Temperature Insulation Materials Accelerating Their Overseas Push

In 2026 exports of China's ceramic fiber products continued to draw industry attention. Within the overall refractory export landscape, ceramic fiber has maintained growth on the strength of its excellent lightweight insulation performance, and the quality of that growth is improving: simultaneous upgrading of the product mix and the market mix is rewriting the overseas expansion logic of this niche.

Product mix migrating toward the high end

Early exports were dominated by standard aluminosilicate fiber blanket, with competition concentrated on price. Over the past two years the export share of zirconia-containing fiber blanket, high-purity fiber products and polycrystalline mullite fiber has risen markedly, and products with higher service temperature and better resistance to pulverization command a premium in international markets. Two factors drive this: first, overseas industrial furnace energy-saving retrofits impose higher requirements on high-temperature insulation materials; second, leading domestic producers have built up expertise in crystalline fiber technology and gained the confidence to compete head to head with foreign brands. By category, the export proportion of roll blanket, modules, shaped parts and fiber assemblies is also rising, and delivery of finished components is becoming the trend.

• Standard blanket: intense price competition, with share concentrating among cost-advantaged producers;
• Zirconia-containing and high-purity products: growth driven by retrofit demand for high-temperature furnaces in petrochemicals and metallurgy;
• Polycrystalline mullite: the upgrade choice for duty above 1400°C, with higher export unit prices;
• Modules and assemblies: evolving from selling materials to selling unitized solutions.

Reconfiguration of the market map

Traditional developed markets remain the main destination for high-end products, but incremental growth increasingly comes from Southeast Asia and the Middle East. Local petrochemical, power and building materials capacity construction is at a peak, releasing concentrated demand for new industrial furnaces and insulation upgrades. The emphasis emerging markets place on lead times, localized technical service and certification documents is screening suppliers' capability structures, and the room for purely trading-style exports is narrowing.

Linkages with the electrode industry

Ceramic fiber and molybdenum electrodes have a natural supporting relationship in overseas markets: building resistance furnaces and melting furnaces requires both fiber modules for lining insulation and electrodes to form the conductive heating system. Channels opened first by insulation material companies provide an entry point for electrode packages, and the ability to co-design electrodes and linings in turn strengthens the competitiveness of the overall solution. High-temperature industry going global is moving from single-product exports to system-level delivery, opening larger space for Chinese suppliers along the value chain. Notably, overseas furnace projects also generate matching electrode demand, and electrodes built to Chinese standards and Chinese experience are entering international projects alongside insulation materials, while electrode-lining coordination has in turn become an important part of overall solution competitiveness.