HTS 3818
Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics
| Code | Description | Unit | General | Special | Column 2 | Source |
|---|---|---|---|---|---|---|
| 3818.00.00 | Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics | Free | 25% | USITC | ||
| 3818.00.00.10 | Gallium arsenide wafers, doped | kg | Free | 25% | USITC | |
| 3818.00.00.20 | Polycrystalline silicon wafers, doped | kg | Free | 25% | USITC | |
| 3818.00.00.30 | Silicon carbide wafers, doped | kg | Free | 25% | USITC | |
| Monocrystalline silicon wafers, doped | ||||||
| 3818.00.00.40 | Round (circular) shaped, as described in statistical note 2 to this chapter | kg | Free | 25% | USITC | |
| 3818.00.00.45 | Pseudo-square or rectangular in shape, as described in statistical note 3 to this chapter | kg | Free | 25% | USITC | |
| 3818.00.00.50 | Other | kg | Free | 25% | USITC | |
| 3818.00.00.91 | Other | kg | Free | 25% | USITC | |
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Source: USITC, Harmonized Tariff Schedule of the United States – 2026 HTS Revision 20, effective 28 September 2026. Heading 3818 at USITC
Not shown: the additional duties of Chapter 99 (such as Section 301 and Section 232), anti-dumping and countervailing duties, quotas and the legal notes.
This page is general information, not legal advice and not a classification decision. Tariff texts and rates change: check the publisher's current schedule, and ask the customs authority for a binding ruling where the answer matters.