391310 — Polymers, natural; alginic acid, its salts and esters, in primary forms (WCO HS 2022).
World Customs Organization (HS 2022)checked 2026-07-24verified
The call returns the same answer, with its source and its status: Verified.
The same answer in your agent
{"tool":"hs_code_lookup","arguments":{"code":"391310"}}MCP server: https://www.freightutils.com/api/mcp/mcp
Through the API
# 391310 — Polymers, natural; alginic acid, its salts and esters, in primary forms (WCO HS 2022). curl 'https://www.freightutils.com/api/hs?code=391310'
- Section
- VII Plastics and articles thereof; rubber and articles thereof
- Chapter
- 39 Plastics and articles thereof
- Heading
- 39.13 Natural polymers (e.g. alginic acid) and modified natural polymers (e.g. hardened proteins, chemical derivatives of natural rubber), n.e.c. or included, in primary forms
- Level
- Subheading · International 6-digit level (WCO HS 2022)
This is the international 6-digit HS code. Your country may use additional digits for national tariff purposes. For UK tariff and duty rates, check the UK Trade Tariff. For US rates, check the USITC HTS.
Related Codes Under 39.13
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