Thailand HS Code

HS Code 550921: Containing 85 % or more by weight of polyester staple fibres : Single yarn in Thailand

Q: Is HS code 550921 the same across all countries?

Yes — up to the 6-digit level, HS code 550921 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Thailand extends it under AHTN-TH.

Q: What system does Thailand use to classify HS code 550921?

Thailand classifies products under the ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (AHTN-TH; locally พิกัดอัตราศุลกากร (AHTN 2022)), which extends HS codes to 11 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 550921 in Thailand?

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

What is HS Code 550921 in Thailand

Under Thailand's ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (พิกัดอัตราศุลกากร (AHTN 2022)), HS Code 550921 is the WCO Harmonized System subheading for Containing 85 % or more by weight of polyester staple fibres : Single yarn. This is the most detailed internationally standardized level; Thailand extends classifications to 11 digits under its national tariff system. 550921 belongs to Section XI: Textiles and textile articles, Chapter 55: Man-made staple fibres, Heading 5509: Yarn (other than sewing thread) of synthetic staple fibres, not put up for retail sale.

Explore more 2026 Latest Thailand import export trade data and shipment records for HS Code Single Pure Polyester Staple Yarn on TradeInt global trade data platform

Classification Path of HS Code 550921 in Thailand

Section XI

Chapters (50-63) Textiles and textile articles

Chapter 55

Man-made staple fibres

HS Code 5509

Yarn (other than sewing thread) of synthetic staple fibres, not put up for retail sale

HS Code 550921

Containing 85 % or more by weight of polyester staple fibres : Single yarn

HS Code 55092100000

Single yarn ด้ายเดี่ยว

Thailand Tariff Classification: ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (AHTN-TH)

In Thailand, HS 550921 is classified under the ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (พิกัดอัตราศุลกากร (AHTN 2022)) — a 11-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (AHTN-TH)

Local name พิกัดอัตราศุลกากร (AHTN 2022)

Digits 11

Official source https://www.customs.go.th/

You know what 550921 means. Now see 2026 latest real trade activity for Single Pure Polyester Staple Yarn in Thailand.

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

Search 2026 Latest Thailand Import Data Search 2026 Latest Thailand Export Data

Top Trading Product of HS Code 5509

Top Thailand import Product Under HS Code 5509

1 550962: Other yarn, of acrylic or modacrylic staple fibres : Mixed mainly or solely with cotton $12.8M 2 550922: Containing 85 % or more by weight of polyester staple fibres : Multiple (folded) or cabled yarn $10.1M 3 550921: Containing 85 % or more by weight of polyester staple fibres : Single yarn $9.9M

Figures shown for 2025.

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

Top Thailand export Product Under HS Code 5509

1 550992: Other yarn : Mixed mainly or solely with cotton $64.0M 2 550953: Other yarn, of polyester staple fibres : Mixed mainly or solely with cotton $27.1M 3 550921: Containing 85 % or more by weight of polyester staple fibres : Single yarn $10.4M

Figures shown for 2025.

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

Related HS Code to Thailand Single Pure Polyester Staple Yarn (550921)

HS Code 55092100000

Single yarn

HS Code 550911

Containing 85 % or more by weight of staple fibres of nylon or other polyamides : Single yarn

HS Code 550912

Containing 85 % or more by weight of staple fibres of nylon or other polyamides : Multiple (folded) or cabled yarn

HS Code 550922

Containing 85 % or more by weight of polyester staple fibres : Multiple (folded) or cabled yarn

HS Code 550931

Containing 85 % or more by weight of acrylic or modacrylic staple fibres : Single yarn

HS Code 550932

Containing 85 % or more by weight of acrylic or modacrylic staple fibres : Multiple (folded) or cabled yarn

HS Code 550941

Other yarn, containing 85 % or more by weight of synthetic staple fibres : Single yarn

HS Code 550942

Other yarn, containing 85 % or more by weight of synthetic staple fibres : Multiple (folded) or cabled yarn

HS Code 550951

Other yarn, of polyester staple fibres : Mixed mainly or solely with artificial staple fibres

HS Code 550952

Other yarn, of polyester staple fibres : Mixed mainly or solely with wool or fine animal hair

Frequently Asked Questions

What is HS code 550921 in Thailand?

HS code 550921 covers Containing 85 % or more by weight of polyester staple fibres : Single yarn in Thailand. It sits in Chapter 55 (Man-made staple fibres), Heading 5509 of the Harmonized System, and is classified under AHTN-TH.

Is HS code 550921 the same across all countries?

What system does Thailand use to classify HS code 550921?

Where can I officially look up HS code 550921 in Thailand?