The application fields of alumina continue to expand, and emerging markets drive industrial upgrading
Summary:
In recent years, as an important inorganic material, the application scenarios of alumina have been accelerating their penetration from traditional industries to high-tech fields. The latest industry data shows that the global alumina market size is expected to exceed 45 billion US dollars in 2025, with a compound annual growth rate of 6.8%.
We continue to deepen our efforts in traditional fields
In the field of refractory materials, alumina, with its high melting point of 2045℃ and corrosion resistance, remains the core raw material for metallurgical furnace linings and kiln linings.
The new energy sector is experiencing explosive growth
In the field of lithium batteries, the coating technology of alumina ceramic separators has become a key solution to battery thermal runaway. An announcement from a listed company shows that the sales of its spherical alumina thermal conductive materials exceeded 500 million yuan in the first half of 2025, mainly used for heat dissipation in xEV battery modules
Breakthroughs in the medical and electronic fields
In the field of bioceramics, alumina artificial joints, due to their excellent biocompatibility, are expected to capture 18% of the orthopedic implant market share by 2025.
The future trend focuses on functionalization
Industry experts have analyzed and pointed out that alumina is transforming from a structural material to a functional one. The number of application patents of nano-scale alumina in emerging fields such as catalyst carriers and air purification filter cores increased by 120% in the first quarter of 2025 compared with the same period last year.
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