In 2023, China's import of polyisobutylene stood at approximately 56 million kilograms. According to forecasted data, the import volume is expected to rise consistently from 58.981 million kilograms in 2024 to 67.4 million kilograms by 2028. The year-on-year growth rates are as follows: approximately 3.68% in 2025, 3.48% in 2026, 3.29% in 2027, and 3.12% in 2028. Over the five-year period from 2024 to 2028, the compound annual growth rate (CAGR) is projected to be around 3.39%.

Future trends to watch for include:

Global supply chain fluctuations and potential impacts on import volumes.
Domestic demand shifts driven by technological advancements and new applications of polyisobutylene.
Regulatory changes affecting imports and production within China.