HTS 3913.90.20 税率构成
该编码的基础税率与适用叠加层，附内嵌试算器。
HTS 3913.90.20（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）的美国进口基础税率（MFN general）为 5.8%；中国原产货件另叠加 全球 301 计划（CN 12.5% 档）。示例口径（中国原产 · $10,000 · 海运正式报关）关税 + 规费合计约 $1,877.14。数据截至 2026-10-07（快照 v0.3.4）。
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%
分层税率
| 层 | 税率 | 金额 | 依据 |
|---|---|---|---|
基础税率（MFN） 生效 | 5.8% | $580.00 | HTS Column 1 general rate ↗ |
全球 301 计划（CN 12.5% 档） 诉讼中 | 12.5% | $1,250.00 | Trade Act 1974 §301 (global forced-labor program; FR 2026-15181 §1(a)(iii)) ↗ |
| 港口维护费（HMF） | 0.125% | $12.50 | 26 U.S.C. §4461 / 19 CFR 24.24（仅海运/水运） |
| 商品处理费（MPF） | 0.3464%（每票报关一次，min $34.58 / max $670.86） | $34.64 | 19 U.S.C. §58c，FY2027（2026-10-01 起） |
示例口径：中国原产 · 申报价值 $10,000 · 海运正式报关 · 申报日期 2026-10-07
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美国全口径：MFN + 301 + 232 + MPF/HMF 叠加
选中： 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 · 基础税率 5.8%
常见问题
HTS 3913.90.20 的美国进口关税税率是多少？
HTS 3913.90.20（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）的美国进口基础税率（MFN general）为 5.8%；中国原产货件另叠加 全球 301 计划（CN 12.5% 档）。示例口径（中国原产 · $10,000 · 海运正式报关）关税 + 规费合计约 $1,877.14。数据截至 2026-10-07（快照 v0.3.4）。
这个编码还要交 MPF/HMF 规费吗？
要。规费不是关税，按每票报关收取：港口维护费（HMF） 0.125%；商品处理费（MPF） 0.3464%（每票报关一次，min $34.58 / max $670.86）。示例口径（$10,000 正式报关）合计约 $47.14；货值 ≤$2,500 的邮递渠道走非正式报关固定规费。
HTS 3913.90.20 与 HS 编码、Schedule B 有什么区别？
三套编码同源不同用：HS 是世界海关组织的 6 位国际基准，HTS 是美国进口用的 10 位细码（前 6 位与 HS 一致，本页的 3913.90.20 即 HTS 8 位粒度），Schedule B 是美国出口统计编码（前 6 位与 HTS 相同，8–10 位后缀按普查口径另编）。进口美国报关税用本页 HTS 码，美国出口报关用 Schedule B。详见指南：/zh/guides/hts-vs-hs-vs-schedule-b
第 39 章相关编码 · 塑料及其制品
- 3901.10.50Polymers of ethylene, in primary forms: — Polyethylene having a specific gravity of less than 0.94: — Other
- 3902.90.00Polymers of propylene or of other olefins, in primary forms: — Other
- 3904.61.00Polymers of vinyl chloride or of other halogenated olefins, in primary forms: — Fluoropolymers: — Polytetrafluoroethylene (PTFE)
- 3907.61.00Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms: — Poly(ethylene terephthalate): — Having a viscosity number of 78 ml/g or higher
- 3907.69.00Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms: — Poly(ethylene terephthalate): — Other
- 3907.99.50Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms: — Other polyesters: — Other: — Other
- 3911.90.91Petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms: — Other: — Other: — Other: — Other
- 3912.31.00Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms: — Cellulose ethers: — Carboxymethylcellulose and its salts
- 3912.90.00Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms: — Other
- 3915.90.00Waste, parings and scrap, of plastics: — Of other plastics
- 3916.20.00Monofilament of which any cross-sectional dimension exceeds 1 mm, rods, sticks and profile shapes, whether or not surface-worked but not otherwise worked, of plastics: — Of polymers of vinyl chloride
- 3917.29.00Tubes, pipes and hoses and fittings therefor (for example, joints, elbows, flanges), of plastics: — Tubes, pipes and hoses, rigid: — Of other plastics
下一步
算完这一票，把报价和单证一次做完
试算数据一键带入，商业发票 / 形式发票 / 原产地证导出 PDF
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