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HFBPA Anhydride -- 99% Technical Grade from Canada

HFBPA, or 4,4'-(Hexafluoroisopropylidene)bis(phthalic anhydride), is a technical-grade aromatic dianhydride explicitly listed in HTS 2917.39.12.00 for its role in fluoropolymer production. It provides optical transparency and low dielectric constants in resulting polyimide materials used in semiconductors.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Label containers with GHS corrosive pictograms; obtain TSCA certification for US entry; avoid bulk import without stabilizer to prevent sublimation