Tariff Schedule Rulings D-Memoranda Trade Remedies PGA Requirements Sanctions Regimes

Subheading 3913.90

Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms. - Other

3 tariff line items

HS Code	Description	MFN Duty	Pref. Rate	UoM
3913900010	Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms. - Other - Xanthan polysaccharide	Free	CCCT, LDCT, GPT, UST, MXT, CIAT, CT, CRT, IT, NT, SLT, PT, COLT, JT, PAT, HNT, KRT, CEUT, UAT, CPTPT, UKT: Free	KGM
3913900080	Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms. - Other - Other polysaccharides	Free	CCCT, LDCT, GPT, UST, MXT, CIAT, CT, CRT, IT, NT, SLT, PT, COLT, JT, PAT, HNT, KRT, CEUT, UAT, CPTPT, UKT: Free	KGM
3913900090	Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms. - Other - Other	Free	CCCT, LDCT, GPT, UST, MXT, CIAT, CT, CRT, IT, NT, SLT, PT, COLT, JT, PAT, HNT, KRT, CEUT, UAT, CPTPT, UKT: Free	KGM

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