What does HTS 3824.99 cover?

HTS 3824.99 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included, other. It belongs to Chapter 38 and rolls up 28 10-digit statistical lines that brokers actually file at entry.

What is the duty rate for HTS 3824.99?

General (Column 1) duty rates for the 10-digit lines under HTS 3824.99 range from Free to 6.5%. The exact rate depends on the specific 10-digit statistical line — pick a line below to see its full rate detail.

Are there Chapter 99 provisions linked to HTS 3824.99?

Tandom links section_232 provision 9903.81.91 to HTS 3824.99. Its published rate notation is The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content., and its status on 2026-09-26 is expired. 7 additional Chapter 99 flags also link to this code. A flag is not a shipment-level determination; check origin, product facts, claims, and entry date.

How do I find the right 10-digit line under HTS 3824.99?

U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 3824.99 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.

Are there potentially relevant AD/CVD order flags under HTS 3824.99?

Tandom links 11 potentially relevant AD/CVD order flags to at least one 10-digit line under HTS 3824.99. An HTS link is a screening aid; whether a shipment is covered depends on the order's written product scope and country of origin. Use the linked lookup to review the case materials.

Prepared binders for foundry molds or cores, other duty rates | HTS 3824.99

Prepared binders for foundry molds or cores, other duty rates | HTS 3824.99 | Tandom

Chapter 99 flags(8)

Provisions linked to one or more lines under 3824.99; applicability depends on origin, product facts, claims, and entry date

Code	Authority	Rate	Countries
9903.81.91	section_232Expired	The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content.	All countries
9903.81.92	section_232Expired	The duty provided in the applicable subheading.	All countries
9903.81.98	section_232Expired	The duty provided in the applicable subheading + 25%	GB
9903.88.01	section_301Active	The duty provided in the applicable subheading plus 25%	CN
9903.80.03	section_232Expired	The duty provided in the applicable subheading + 25%	All countries
9903.81.86	section_232Expired	The duty provided in the applicable subheading + 25%	MX
9903.81.84	section_232Expired	The duty provided in the applicable subheading + 25%	UA
9903.88.15	section_301Active	The duty provided in the applicable subheading + 7.5%	CN

`3824.99`—Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included, other

Plain-English explanation

10-digit lines under 3824.99(28)

Chapter 99 flags(8)

Potentially relevant AD/CVD order flags(11)

Frequently asked questions

What does HTS 3824.99 cover?

What is the duty rate for HTS 3824.99?

Are there Chapter 99 provisions linked to HTS 3824.99?

How do I find the right 10-digit line under HTS 3824.99?

Are there potentially relevant AD/CVD order flags under HTS 3824.99?

Learn more

Section 301 China tariff exclusions in 2026

How Chapter 99 tariff layers stack on a single entry

How to calculate US import duties

Section 232 steel, aluminum, and copper duties in 2026

Trade compliance APIs in broker workflows

Wire the Tandom Duty Calculator API into a TMS or broker software

3824.99—Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included, other

Plain-English explanation

10-digit lines under 3824.99(28)

Chapter 99 flags(8)

Potentially relevant AD/CVD order flags(11)

Frequently asked questions

What does HTS 3824.99 cover?

What is the duty rate for HTS 3824.99?

Are there Chapter 99 provisions linked to HTS 3824.99?

How do I find the right 10-digit line under HTS 3824.99?

Are there potentially relevant AD/CVD order flags under HTS 3824.99?

Learn more

Section 301 China tariff exclusions in 2026

How Chapter 99 tariff layers stack on a single entry

How to calculate US import duties

Section 232 steel, aluminum, and copper duties in 2026

Trade compliance APIs in broker workflows

Wire the Tandom Duty Calculator API into a TMS or broker software

`3824.99`—Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included, other