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Propylene Oxide Polymerization Inhibited from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

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