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3912.31.00.90/Industrial CMC Viscosifier Grade/Japan

Industrial CMC Viscosifier Grade from Japan

Industrial-grade carboxymethylcellulose sodium serves as a viscosifier in oil drilling fluids and ceramics. It qualifies for HTS 3912.31.00.90 as other CMC salts in primary powder form per chapter polymer classification rules. Essential for high-viscosity applications in manufacturing.

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

• Include viscosity specs and substitution degree in docs to distinguish from lower-grade 'Other' celluloses

• Avoid bulk packaging over retail limits to stay out of 3923; use industrial drums

Industrial CMC Viscosifier Grade from Japan — Import Duty Rate | HTS 3912.31.00.90