Phthalic Anhydride and Plasticiser Trade Data to 2025, with a 2026 Monthly Update: Three Tariff Lines and the Shift Away from Ortho-Phthalates
Customs data for HS 291735, 291732 and 291739 shows China as the largest phthalic anhydride exporter, DOP unit values falling, and the residual non-ortho ester line trading several times the size of the classic ortho line, updated to mid-2026.