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3907.91.50.00/Iso-NPG Unsaturated Polyester Resin/Mexico

Iso-NPG Unsaturated Polyester Resin from Mexico

Neopentyl glycol (NPG) modified isophthalic unsaturated polyester resin for corrosion-resistant panels and tanks. Under HTS 3907.91.5000 as other unsaturated polyester in primary forms, with NPG units predominant but not chemically modified per notes. High HDT properties.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

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

• Document NPG content percentage for audit; test acid value compliance; hazardous label for >20% styrene