Costa Rica HS Code

HS Code 391310: 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 : Alginic acid, its salts and esters in Costa Rica

Q: Is HS code 391310 the same across all countries?

Yes — up to the 6-digit level, HS code 391310 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Costa Rica extends it under SAC.

Q: What system does Costa Rica use to classify HS code 391310?

Costa Rica classifies products under the Sistema Arancelario Centroamericano (SAC; locally Sistema Arancelario Centroamericano), which extends HS codes to 8 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 391310 in Costa Rica?

The official source is https://www.hacienda.go.cr/contenido/12997-direccion-general-de-aduanas. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 391310 in Costa Rica

Under Costa Rica's Sistema Arancelario Centroamericano (Sistema Arancelario Centroamericano), HS Code 391310 is the WCO Harmonized System subheading for 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 : Alginic acid, its salts and esters. This is the most detailed internationally standardized level; Costa Rica extends classifications to 8 digits under its national tariff system. 391310 belongs to Section VII: Plastics and articles thereof; rubber and articles thereof, Chapter 39: Plastics and articles thereof, Heading 3913: 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.

Explore more 2026 Latest Costa Rica import export trade data and shipment records for HS Code Alginic Acid and Salts on TradeInt global trade data platform

Classification Path of HS Code 391310 in Costa Rica

Section VII

Chapters (39-40) Plastics and articles thereof; rubber and articles thereof

Chapter 39

Plastics and articles thereof

HS Code 3913

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

HS Code 391310

HS Code 391310000000

Polímeros naturales (por ejemplo: ácido algínico) y polímeros naturales modificados (por ejemplo: proteínas endurecidas, derivados químicos del caucho natural), no expresados ni comprendidos en otra parte, en formas primarias : Ácido algínico, sus sales y sus ésteres

Costa Rica Tariff Classification: Sistema Arancelario Centroamericano (SAC)

In Costa Rica, HS 391310 is classified under the Sistema Arancelario Centroamericano (Sistema Arancelario Centroamericano) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Sistema Arancelario Centroamericano (SAC)

Local name Sistema Arancelario Centroamericano

Digits 8

Official source https://www.hacienda.go.cr/contenido/12997-direccion-general-de-aduanas

You know what 391310 means. Now see 2026 latest real trade activity for Alginic Acid and Salts in Costa Rica.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

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Top Trading Product of HS Code 3913

Top Costa Rica import Product Under HS Code 3913

1 391390: Other $3.0M 2 391310: Alginic acid, its salts and esters $52.9K

Figures shown for 2025.

For more 2026 recent data, search for Costa Rica import trade records

Top Costa Rica export Product Under HS Code 3913

1 391390: Other $46.9K

Figures shown for 2025.

For more 2026 recent data, search for Costa Rica export trade records

Related HS Code to Costa Rica Alginic Acid and Salts (391310)

HS Code 391310000000

HS Code 391390

HS Code 390110

Polymers of ethylene, in primary forms : Polyethylene having a specific gravity of less than 0,94

HS Code 390120

Polymers of ethylene, in primary forms : Polyethylene having a specific gravity of 0,94 or more

HS Code 390130

Polymers of ethylene, in primary forms : Ethylenevinyl acetate copolymers

HS Code 390140

Polymers of ethylene, in primary forms : Ethylenealphaolefins copolymers, having a specific gravity of less than 0,94

HS Code 390190

Polymers of ethylene, in primary forms : Other

HS Code 390210

Polymers of propylene or of other olefins, in primary forms : Polypropylene

HS Code 390220

Polymers of propylene or of other olefins, in primary forms : Polyisobutylene

HS Code 390230

Polymers of propylene or of other olefins, in primary forms : Propylene copolymers

Frequently Asked Questions

What is HS code 391310 in Costa Rica?

HS code 391310 covers 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 : Alginic acid, its salts and esters in Costa Rica. It sits in Chapter 39 (Plastics and articles thereof), Heading 3913 of the Harmonized System, and is classified under SAC.

Is HS code 391310 the same across all countries?

What system does Costa Rica use to classify HS code 391310?

Where can I officially look up HS code 391310 in Costa Rica?