HTS 3913.90.00 — composição da alíquota
Alíquota base e camadas aplicáveis para este código, com calculadora embutida.
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%
Camadas de tributos
| Camada | Alíquota | Valor | Fundamento |
|---|---|---|---|
Base duty (MFN) Vigente | 5.8% | $580.00 | HTS Column 1 general rate ↗ |
Global Section 301 (CN, 12.5% tier) Em litígio | 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
Calcular com este código
Calculadora de Tarifas e Custo Landed dos EUA
Informe o valor declarado e o código HTS e obtenha em segundos os tributos acumulados e o custo landed por unidade. Grátis, sem cadastro, no navegador: cada alíquota é rastreável até a fonte oficial.
Selecionado automaticamente pelo seu IP — pode editar
Regime completo dos EUA: MFN + 301 + 232 + MPF/HMF
Perguntas frequentes
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.