China to see 670,000 t/y of new PBR capacity in 2026-2030

China is projected to add 670,000 t/y of new polybutadiene rubber (PBR) capacity from 2026 to 2030, maintaining a high CAGR of 7.10% following the 8% growth in the previous five-year period. This expansion is expected to further optimize regional supply and drive market upgrading through integrated downstream extension.

China's polybutadiene rubber (PBR) capacity experienced rapid development from 2021 to 2025. By the end of 2025, the total capacity reached 2.122 million tonnes/year, with a compound annual growth rate (CAGR) of 8% over the five-year period. For 2026-2030, an additional capacity of 670,000 t/y is projected, with an