HS code 381800 tariff rate

HS 381800

Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics

Current US base rate (structured schedule)

Free

Effective date

No dated action in the last 30 days. The base rate above stands until a new action takes effect.

Duty stack summary

• Base rate (MFN): Free on most lines.
• Additional duties noted: none on these lines in the structured schedule.
• Recent trade actions: none in the last 30 days of scanned notices touches this category.

Summary

HS 381800 covers chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics. The structured schedule lists a base rate of Free on most lines in this category. No trade action in the last 30 days of scanned notices touches this category. Confirm the classification of your specific goods with your broker.

What this rate means for an importer

Free means the schedule lists no base duty on most lines in this category. Duty is figured on the customs value of the goods, so a Free base rate adds nothing at that step. Extra duties from trade actions can still apply, so a Free base rate does not promise zero total duty.

The base rate is only the starting point. Extra duties from trade actions sit on top of it and change more often than the base schedule. Before you set a price or sign a purchase order, run the code through the free lookup to see recent actions.

Tariff lines in this category

Showing 8 of 8 lines. Match your goods to the closest line.

Line	Base rate	Goods
3818.00.00	Free	Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped...
3818.00.00.10	See schedule	Gallium arsenide wafers, doped
3818.00.00.20	See schedule	Polycrystalline silicon wafers, doped
3818.00.00.30	See schedule	Silicon carbide wafers, doped
3818.00.00.40	See schedule	Round (circular) shaped, as described in statistical note 2 to this chapter
3818.00.00.45	See schedule	Pseudo-square or rectangular in shape, as described in statistical note 3 to this chapter
3818.00.00.50	See schedule	Other
3818.00.00.91	See schedule	Other

More in HS chapter 38 (Miscellaneous chemical products)

All 77 codes in chapter 38

Nearby codes: 381519 381590 381600 381700 381900 382000 382100

Nearby chapters: Chapter 37 - Chapter 39

HS 381800 questions

What is the US base rate for HS 381800?

On most tariff lines in this category, the structured schedule lists Free. Free means the schedule lists no base duty on most lines in this category. Duty is figured on the customs value of the goods, so a Free base rate adds nothing at that step. Extra duties from trade actions can still apply, so a Free base rate does not promise zero total duty.

Does the base rate tell the full story for HS 381800?

No. Extra duties from trade actions can sit on top of the base rate and change often. Use the free lookup to see recent actions for this code before you commit to a price.

Where does this rate come from?

The base rate comes from the structured US tariff schedule, read through the Tariff Wire HS lookup. Recent actions come from published Federal Register notices from the last 30 days. Each lookup links its official source.

Can I use this page to classify my goods?

No. This page covers the HS-6 product category. The exact 8 or 10 digit classification of your goods, and what you owe on a specific entry, is work for you and your licensed customs broker.

How do I get an alert if the rate for HS 381800 changes?

Tariff Wire Pro watches this category every day and sends one plain-English alert when a change touches it, with the official source linked. That monitoring is part of the paid plan.