Chapter 38: Miscellaneous chemical products
HTS heading 3818: Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electron…
8 numbered lines under heading 3818, including 7 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 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 electronicsNote: See 9903.90.08. | Free | 25% | ||
| 3818.00.00.10 | Gallium arsenide wafers, doped | kg | |||
| 3818.00.00.20 | Polycrystalline silicon wafers, doped | kg | |||
| 3818.00.00.30 | Silicon carbide wafers, doped | kg | |||
| Monocrystalline silicon wafers, doped: | |||||
| 3818.00.00.40 | Round (circular) shaped, as described in statistical note 2 to this chapter | kg | |||
| 3818.00.00.45 | Pseudo-square or rectangular in shape, as described in statistical note 3 to this chapter | kg | |||
| 3818.00.00.50 | Other | kg | |||
| 3818.00.00.91 | Other | kg |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.