# United States tariff line 2830.90.10.00: Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight

> In the United States tariff, line 2830.90.10.00 covers zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2830.90 in heading 28.30 (chapter 28).

Source: https://border.bot/countries/united-states/hs-codes/2830901000
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 28](https://border.bot/countries/united-states/hs-codes/28) / [2830.90](https://border.bot/countries/united-states/hs-codes/283090) / [2830.90.10.00](https://border.bot/countries/united-states/hs-codes/2830901000)

## Key facts

- Tariff line: 2830.90.10.00
- Covers: Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [2830.90](https://border.bot/hs-codes/283090)

## What this line covers

In the United States tariff, line 2830.90.10.00 covers zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight.

Its legal text is “Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight”, read under “Other”.

## How it is structured

It falls under HS subheading 2830.90 in heading 28.30 (chapter 28). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
- Heading 28.30: Sulfides; polysulfides, whether or not chemically defined
- Subheading 2830.90: Other
- Line 2830.90.10.00: Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight

## Duty

Goods under this line enter free of general (MFN) duty.

## In other countries

No other national tariff on border.bot has live lines under 2830.90 yet.

- [The Harmonized System text for 2830.90](https://border.bot/hs-codes/283090)

## Other lines under 2830.90

- [2830.90.15.00](https://border.bot/countries/united-states/hs-codes/2830901500) Other zinc sulfide
- [2830.90.20.00](https://border.bot/countries/united-states/hs-codes/2830902000) Cadmium sulfide
- [2830.90.90.00](https://border.bot/countries/united-states/hs-codes/2830909000) Other

- Previous line: [2830.10.00.00](https://border.bot/countries/united-states/hs-codes/2830100000) Sodium sulfides
- Next line: [2830.90.15.00](https://border.bot/countries/united-states/hs-codes/2830901500) Other zinc sulfide

## Frequently asked questions

### What does tariff line 2830.90.10.00 cover in the United States tariff?

In the United States tariff, line 2830.90.10.00 covers zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight.

### What is the general (MFN) duty on 2830.90.10.00 in the United States?

Goods under this line enter free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/2830901000.json