China's HNBR prices fall 12-24% as capacity surges 45.41%

China's HNBR capacity climbed to 19,500 t/y in 2026, representing a 45.41% CAGC from 3,000 t/y in 2021. This surge in cost-competitive supply will intensify global price competition and reshape trade flows for overseas buyers and producers.

China's hydrogenated nitrile rubber (HNBR) capacity has expanded to 19,500 tonnes /year in 2026, up from just 3,000 t/y in 2021, representing a compound annual growth rate of 45.41%. This massive capacity build-out will change the global supply landscape and intensify price competition. China's HNBR Capacity Change, 2021-2026 (Unit: t/y) Sourcel: OilChem PetroChina Lanzhou