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3921.90.40.90/Flexible PET Window Film/Mexico

Flexible PET Window Film from Mexico

Tinted polyethylene terephthalate (PET) film in 4-mil thickness for residential window tinting to reduce UV and heat. It qualifies under HTS 3921.90.40.90 as flexible plastic film, other than rigid or cellular types.

Duty Rate — Mexico → United States

14.2%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Certify PET monomer content >95% weight to stay in 3921; copolymers may shift

• Include solar performance specs; declare if metallized for potential 3920 classification

• Comply with FTC tinting claims; avoid bulk packaging resembling rigid sheets

Flexible PET Window Film from Mexico — Import Duty Rate | HTS 3921.90.40.90