HTS heading 2839: Silicates; commercial alkali metal silicates
Heading 2839 of the US Harmonized Tariff Schedule covers Silicates; commercial alkali metal silicates. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.
Heading 2839 at a glance
- 4 rated tariff lines; 0 duty-free at the general (MFN) rate.
- Ad valorem general rates from 1.1% to 3.1%.
- Section 301 (products of China): 4 of 4 lines on a list in effect (List 3).
Goods named in this heading (official line texts): Sodium metasilicates, Of potassium.
Subheadings (6-digit)
All tariff lines in heading 2839
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 2839.11.00 | Of sodium: Sodium metasilicates | 1.1% | List 3 +25% | |
| 2839.19.00 | Of sodium: Other | 1.1% | List 3 +25% | |
| 2839.90.10 | Other: Of potassium | 3.1% | List 3 +25% | |
| 2839.90.50 | Other: Other | 3.1% | List 3 +25% |
All of chapter 28 · Chapter 28 rate summary · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.
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