What is driving boron carbide demand growth in China's downstream markets?

What is driving boron carbide demand growth in China's downstream markets?
China remains the world's largest boron carbide producer and consumer, accounting for nearly half of global consumption. The downstream mix is shifting: refractory antioxidant applications have saturated, while abrasives, military armor, and nuclear sectors are expanding. In abrasives, high-purity boron carbide micropowder is increasingly substituting costly diamond powder for sapphire polishing. Military demand centers on lightweight ceramic armor plates, which cut weight by over 30% versus traditional ceramics. Nuclear applications leverage boron-10's neutron absorption for control rods and shielding. Global market size reached USD 347 million in 2020, with a projected 5% CAGR through 2026. Suppliers unable to meet high-value nuclear and defense specifications may lose competitiveness as the market bifurcates.