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Sodium Carboxymethylcellulose Powder (90%+ CMC) from Japan

High-purity sodium carboxymethylcellulose (CMC) powder with at least 90% CMC content by weight, used as a thickener in food and pharmaceuticals. This primary form polymer falls under HTS 3912.31.00.10 due to its high carboxymethylcellulose concentration as per chapter notes on polymer classification. It is supplied in bulk for industrial formulation.

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%

Import Tips

Provide lab analysis certificates verifying ≥90% CMC content by weight to meet subheading requirements; declare intended end-use (food vs industrial) to avoid reclassification

Watch for contamination risks in documentation for pharma imports