HTS 3913.90.00 — composition du taux
Taux de base et couches applicables pour ce code, avec calculateur intégré.
HTS 3913.90.00 (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: — Polysaccharides and their derivatives) carries an MFN general rate of 5.8% on U.S. imports; China-origin entries additionally stack Global Section 301 (CN, 12.5% tier). Example (origin CN · $10,000 · sea formal entry): duties + fees ≈ $1,877.14.Data as of 2026-09-19 (ruleset v0.3.1).
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: — Polysaccharides and their derivatives
USITC: 5.8%
Couches de droits
| Couche | Taux | Montant | Fondement |
|---|---|---|---|
Base duty (MFN) En vigueur | 5.8% | $580.00 | HTS Column 1 general rate ↗ |
Global Section 301 (CN, 12.5% tier) En contentieux | 12.5% | $1,250.00 | Trade Act 1974 §301 (global forced-labor program; FR 2026-15181 §1(a)(iii)) ↗ |
| Harbor Maintenance Fee (HMF) | 0.125% | $12.50 | 26 U.S.C. §4461 / 19 CFR 24.24 (sea & water shipments only) |
| Merchandise Processing Fee (MPF) | 0.3464% (once per entry, min $33.58 / max $651.50) | $34.64 | 19 U.S.C. §58c, FY2026 (from 2025-10-01) |
Example: origin CN · $10,000 · sea formal entry · date 2026-09-19
Calculer avec ce code
Calculateur de Droits de Douane et Coût Rendu US
Saisissez la valeur déclarée et le code HTS pour obtenir en quelques secondes les droits cumulés et le coût rendu par unité. Gratuit, sans inscription, dans le navigateur — chaque taux est traçable jusqu'à sa source officielle.
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Régime US complet : MFN + 301 + 232 + MPF/HMF
FAQ
What is the U.S. import tariff rate for HTS 3913.90.00?
HTS 3913.90.00 (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: — Polysaccharides and their derivatives) carries an MFN general rate of 5.8% on U.S. imports; China-origin entries additionally stack Global Section 301 (CN, 12.5% tier). Example (origin CN · $10,000 · sea formal entry): duties + fees ≈ $1,877.14.Data as of 2026-09-19 (ruleset v0.3.1).
Do MPF/HMF fees apply to HTS 3913.90.00?
Yes. Fees are not duties and are charged per entry: Harbor Maintenance Fee (HMF) 0.125%; Merchandise Processing Fee (MPF) 0.3464% (once per entry, min $33.58 / max $651.50). ≈ $47.14 on the $10,000 formal-entry example; postal shipments ≤$2,500 use informal entry with fixed fees instead.