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Flexible PET Window Film from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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 Japan — Import Duty Rate | HTS 3921.90.40.90