Japan HS Code

HS Code 391390: Other in Japan

Q: Is HS code 391390 the same across all countries?

Yes — up to the 6-digit level, HS code 391390 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Japan extends it under Japan HS / Statistical Code.

Q: What system does Japan use to classify HS code 391390?

Japan classifies products under the Customs Tariff Schedules of Japan (Japan HS / Statistical Code; locally 実行関税率表), which extends HS codes to 9 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 391390 in Japan?

The official source is https://www.customs.go.jp/english/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 391390 in Japan

Under Japan's Customs Tariff Schedules of Japan (実行関税率表), HS Code 391390 is the WCO Harmonized System subheading for Other. This is the most detailed internationally standardized level; Japan extends classifications to 9 digits under its national tariff system. 391390 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 Japan import export trade data and shipment records for HS Code Other Natural Polymers on TradeInt global trade data platform

Classification Path of HS Code 391390 in Japan

Section VII

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

Chapter 39

Plastics and articles thereof

HS Code 3913

HS Code 391390

Other

HS Code 391390000

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. 天然の重合体（例えば、アルギン酸）及び変性させた天然の重合体（例えば、硬化たんぱく質及び天然ゴムの化学的誘導体）（一次製品に限るものとし、他の項に該当するものを除く。） > －その他のもの

Japan Tariff Classification: Customs Tariff Schedules of Japan (Japan HS / Statistical Code)

In Japan, HS 391390 is classified under the Customs Tariff Schedules of Japan (実行関税率表) — a 9-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Customs Tariff Schedules of Japan (Japan HS / Statistical Code)

Local name 実行関税率表

Digits 9

Official source https://www.customs.go.jp/english/

You know what 391390 means. Now see 2026 latest real trade activity for Other Natural Polymers in Japan.

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 Japan import Product Under HS Code 3913

1 391390: Other $240.2M 2 391310: Alginic acid, its salts and esters $31.3M

Figures shown for 2025.

For more 2026 recent data, search for Japan import trade records

Top Japan export Product Under HS Code 3913

1 391390: Other $38.2M 2 391310: Alginic acid, its salts and esters $27.6M

Figures shown for 2025.

For more 2026 recent data, search for Japan export trade records

Related HS Code to Japan Other Natural Polymers (391390)

HS Code 391390000

HS Code 391310

Alginic acid, its salts and esters

HS Code 390110

Polyethylene having a specific gravity of less than 0,94

HS Code 390120

Polyethylene having a specific gravity of 0,94 or more

HS Code 390130

Ethylenevinyl acetate copolymers

HS Code 390140

Ethylenealphaolefins copolymers, having a specific gravity of less than 0,94

Frequently Asked Questions

What is HS code 391390 in Japan?

HS code 391390 covers Other in Japan. It sits in Chapter 39 (Plastics and articles thereof), Heading 3913 of the Harmonized System, and is classified under Japan HS / Statistical Code.

Is HS code 391390 the same across all countries?

What system does Japan use to classify HS code 391390?

Where can I officially look up HS code 391390 in Japan?