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3907.91.50.00/Spray-Up Unsaturated Polyester Resin/Japan

Spray-Up Unsaturated Polyester Resin from Japan

Medium-reactivity unsaturated polyester resin optimized for spray-up fabrication of large FRP parts like tubs and pools. HTS 3907.91.5000 covers this as other unsaturated polyester, primary form per weight-based polymer notes. Compatible with continuous roving.

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%
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Import Tips

• Provide thixotropic index data for verification; avoid bulk tanks over 55 gal without stabilization; reconcile with MEKP import declarations

Spray-Up Unsaturated Polyester Resin from Japan — Import Duty Rate | HTS 3907.91.50.00