Canada HS Code

HS Code 390311: Polystyrene : Expansible in Canada

Q: Is HS code 390311 the same across all countries?

Yes — up to the 6-digit level, HS code 390311 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Canada extends it under Canada HS.

Q: What system does Canada use to classify HS code 390311?

Canada classifies products under the Customs Tariff of Canada (Canada HS; locally Tarif des douanes du Canada), which extends HS codes to 10 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 390311 in Canada?

The official source is https://www.cbsa-asfc.gc.ca/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 390311 in Canada

Under Canada's Customs Tariff of Canada (Tarif des douanes du Canada), HS Code 390311 is the WCO Harmonized System subheading for Polystyrene : Expansible. This is the most detailed internationally standardized level; Canada extends classifications to 10 digits under its national tariff system. 390311 belongs to Section VII: Plastics and articles thereof; rubber and articles thereof, Chapter 39: Plastics and articles thereof, Heading 3903: Polymers of styrene, in primary forms.

Explore more 2026 Latest Canada import export trade data and shipment records for HS Code Expandable Polystyrene (EPS) on TradeInt global trade data platform

Classification Path of HS Code 390311 in Canada

Section VII

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

Chapter 39

Plastics and articles thereof

HS Code 3903

Polymers of styrene, in primary forms

HS Code 390311

Polystyrene : Expansible

HS Code 3903110000

Polystyrene, expansible, in primary forms Polystyrène expansible, sous formes primaires

Canada Tariff Classification: Customs Tariff of Canada (Canada HS)

In Canada, HS 390311 is classified under the Customs Tariff of Canada (Tarif des douanes du Canada) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Customs Tariff of Canada (Canada HS)

Local name Tarif des douanes du Canada

Digits 10

Official source https://www.cbsa-asfc.gc.ca/

You know what 390311 means. Now see 2026 latest real trade activity for Expandable Polystyrene (EPS) in Canada.

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

Search 2026 Latest Canada Import Data Search 2026 Latest Canada Export Data

Top Trading Product of HS Code 3903

Top Canada import Product Under HS Code 3903

1 390390: Other $134.3M 2 390319: Polystyrene : Other $128.8M 3 390330: Acrylonitrilebutadienestyrene (ABS) copolymers $124.9M

Figures shown for 2025.

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

Top Canada export Product Under HS Code 3903

1 390311: Polystyrene : Expansible $223.9M 2 390319: Polystyrene : Other $11.4M 3 390330: Acrylonitrilebutadienestyrene (ABS) copolymers $10.2M

Figures shown for 2025.

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

Related HS Code to Canada Expandable Polystyrene (EPS) (390311)

HS Code 3903110000

Polystyrene, expansible, in primary forms

HS Code 390319

Polystyrene : Other

HS Code 390320

Styreneacrylonitrile (SAN) copolymers

HS Code 390330

Acrylonitrilebutadienestyrene (ABS) copolymers

HS Code 390390

Other

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

HS Code 390190

Other

Frequently Asked Questions

What is HS code 390311 in Canada?

HS code 390311 covers Polystyrene : Expansible in Canada. It sits in Chapter 39 (Plastics and articles thereof), Heading 3903 of the Harmonized System, and is classified under Canada HS.

Is HS code 390311 the same across all countries?

What system does Canada use to classify HS code 390311?

Where can I officially look up HS code 390311 in Canada?