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2910.20.00.00/Propylene Oxide Polymerization Inhibited/Mexico

Propylene Oxide Polymerization Inhibited from Mexico

Methyloxirane with 50 ppm hydroquinone monomethyl ether inhibitor, classified under HTS 2910.20.00.00 per Chapter note (f). Prevents exothermic polymerization during storage and transport for polyurethane industry.

Duty Rate — Mexico → United States

15.5%

Rate breakdown

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

• Inhibitor concentration certificate required; 6-month shelf life validation; temperature recorder for shipments

Propylene Oxide Polymerization Inhibited from Mexico — Import Duty Rate | HTS 2910.20.00.00