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HS Code 7903.90 : Zinc dust, powders and flakes, Other

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MODULE 2: EXTRACTABLE ANSWER (AEO / SPEAKABLE)
EN (Official WCO) FR (Pending) ES (Pending)

The 6-digit Harmonized System (HS) code for zinc dust, powders and flakes, other is 7903.90. Under the 2026 Thailand (Thai Customs), the representative MFN general duty rate is 0% [Thai Customs Department].

Chapter
Heading
Subheading
7903.90
TH MFN Duty
0%
MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY
Chapter 79
Zinc dust, powders and flakes
Heading 7903
Zinc dust, powders and flakes
Subheading .90
.90
Other
Thailand (Thai Customs Tariff 2026)
7903.90.00.00
Thailand MFN Customs Duty (อากรขาเข้า)
0%
Verified July 2026 · Thai Customs

MODULE 5: THAILAND IMPORT DUTY & TAX BREAKDOWN

Customs Duty (อากรขาเข้า)
0%
WTO MFN Rate
Import VAT
7.00 %
CIF + Duty Base
De Minimis Threshold
THB 1,500
CIF Parcel Limit
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Receive an automated email notification whenever USITC or CBP publishes duty rate adjustments or customs notices for 7903.90.

MODULE 6: Mandatory Customs Entry Document Matrix

Rule-Derived Customs Entry Package Checklist
UNIVERSAL DOCUMENT

Commercial Invoice

Itemized description, currency, Incoterms, seller/buyer details, and country of origin.

UNIVERSAL DOCUMENT

Packing List & Bill of Lading

Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.

PREFERENTIAL RULE

Certificate of Origin (If Claiming FTA)

Required only when claiming zero-duty preference under USMCA, KORUS, or GSP.

MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags

Standard Entry This commodity does not carry mandatory PGA pre-clearance flags under the ACE message set.

MODULE 8: Trade Remedies (Section 301, Section 232, AD/CVD)

China Section 301 Tariff Status
0% Additional Duty (Exempt)
Section 232 Steel/Aluminum Status
Exempt (Non-Metal Commodity)
EU CBAM Carbon Alert
Not in Scope

MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)

Agreement Code Trade Agreement / Program Preferential Rate Rules of Origin (RoO) Requirement
PUnited States-Mexico-Canada Agreement (USMCA)FreeMust meet USMCA Regional Value Content (RVC) or tariff shift rules.
KRU.S.-Korea Free Trade Agreement (KORUS)FreeDirect shipment from South Korea with KORUS Certificate of Origin.
AUU.S.-Australia Free Trade AgreementFreeWholly obtained or tariff shift rule under US-Australia FTA.
A / DGSP / African Growth & Opportunity Act (AGOA)Free35% local value-add requirement for beneficiary country origin.

MODULE 10: Logistics, Freight & Transport Specifications

Standard 20ft Container
~28 CBM / 28,000 kg Payload
Standard 40ft High-Cube
~68 CBM / 28,600 kg Payload
Stowage Factor & Handling
Standard commercial packaging for Zinc dust, powders and flakes, Other

MODULE 11: Thai Customs Advance Tariff Ruling

Legally binding advance classification rulings issued by Thai Customs Department for HS 7903.90.

Query official Thai Customs portal:

Search Official Thai Customs Portal for 7903.90 →

Thailand Declarable Tariff Items (7903.90)

National line-level (8/10-digit) detail for Thailand (Thai Customs): coverage in progress.

Universal 6-digit WCO backbone applied rate: 0%. Confirm the full national commodity code at the official source (Thai Customs Department).

MODULE 12: Candidate Subheadings & Related Codes

Related HS Code Heading Category Action
7903.10 Subheading under Heading 7903 Compare Subheading 7903.10 →

Official Primary Sources & Authority References

Thai Customs Department ↗

Official Thai customs tariff schedule and general duty (อากรขาเข้า) rates.

Thai Customs Advance Tariff Ruling System ↗

Thai Customs Department binding advance tariff classification rulings database.

MODULE 14: Frequently Asked Questions (FAQ) & Operational Guide

What is the 6-digit WCO tariff classification and Thailand (Thai Customs) general duty for Zinc dust, powders and flakes, Other?
Under WCO Harmonized System 2022 and Thailand (Thai Customs), Zinc dust, powders and flakes, Other is classified under HS 7903.90 (Heading 7903, Chapter 79). The representative TH MFN general duty rate is 0%.
How is HS 7903.90 distinguished within Heading 7903 (Zinc dust, powders and flakes)?
Heading 7903 covers Zinc dust, powders and flakes. Subheading 7903.90 specifically isolates Other. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 7903.
What are the primary candidate subheadings related to HS 7903.90?
Related subheadings under Heading 7903 include 7903.10. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import Zinc dust, powders and flakes, Other?
Commercial Invoice (detailing Incoterms, currency, and origin), Packing List, Bill of Lading (or Air Waybill), CBP Form 7501 Entry Summary, and a continuous customs bond are required for formal entries.
Can goods under HS 7903.90 enter duty-free under USMCA or Free Trade Agreements?
Yes. Eligible goods originating in Mexico, Canada, South Korea, or Australia enter duty-free under preference SPI codes (P, KR, AU) provided they satisfy Regional Value Content (RVC) or tariff-shift rules with a valid Certificate of Origin.
What is the US formal entry threshold for shipments of Zinc dust, powders and flakes, Other?
Commercial shipments of Zinc dust, powders and flakes, Other with a customs value exceeding $2,500 USD require formal customs entry (CBP Form 7501) and a continuous entry bond. Informal entry applies to lower values.
How can an importer obtain a binding CBP classification ruling for HS 7903.90?
Importers may submit an e-Ruling request under 19 CFR Part 177 to CBP National Commodity Specialist Division (NCSD) to obtain a legally binding tariff classification ruling prior to importation.
What is the import VAT rate for HS 7903.90 in Thailand?
Thailand assesses a standard 7% Value-Added Tax (VAT) on imports, calculated on CIF value + statutory customs duty (อากรขาเข้า).
What is Thailand's de minimis duty-free threshold?
Thailand's de minimis threshold for express parcel imports is THB 1,500 total CIF value. Consignments under this threshold enter duty-free and tax-free.
Which agency regulates customs clearance and advance rulings in Thailand?
Customs declarations and binding advance tariff classification rulings are administered by the Thai Customs Department.
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