Is HTS 6903 subject to a Section 301 tariff?

Goods imported from China may carry an additional Section 301 tariff (typically +25% or +7.5%) on top of the base duty rate. Use the ShipSeeker calculator with origin set to China to estimate it.

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HTS 6903 Chapter 69

Other Refractory Ceramic Goods (for Example, Retorts, Crucibles, Muffles, Nozzles, Plugs, Supports, Cupels…

Q: What is the import duty rate for HTS 6903 (Other Refractory Ceramic Goods (for Example, Retorts, Crucibles, Muffles, Nozzles, Plugs, Supports, Cupels, Tubes, Pipes, Sheaths, Rods And Slide Gates), Other Than Those Of Siliceous Fossil Meals Or Of Similar Siliceous Earths:)?

The general (MFN) duty rate for HTS 6903 is varies by subheading. Free-trade-agreement (special) and Column 2 rates may also apply. Estimate the total landed cost by country of origin with the ShipSeeker calculator.

Q: What does HTS 6903 cover?

HTS 6903 covers Other Refractory Ceramic Goods (for Example, Retorts, Crucibles, Muffles, Nozzles, Plugs, Supports, Cupels, Tubes, Pipes, Sheaths, Rods And Slide Gates), Other Than Those Of Siliceous Fossil Meals Or Of Similar Siliceous Earths: in the U.S. Harmonized Tariff Schedule (chapter 69).

U.S. import duty rate & tariff classification for HTS 6903 in the Harmonized Tariff Schedule.

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Full HTS description

Other Refractory Ceramic Goods (for Example, Retorts, Crucibles, Muffles, Nozzles, Plugs, Supports, Cupels, Tubes, Pipes, Sheaths, Rods And Slide Gates), Other Than Those Of Siliceous Fossil Meals Or Of Similar Siliceous Earths:

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Duty rates for HTS 6903 are set at the subheading level.

Across its 3 subheadings, published general rates are Free. Pick a specific code below for its exact rate.

Subheadings under 6903

HTS code	Description	General rate
6903.10.00.00	Containing By Weight More Than 50 Percent Of Free Carbon	Free
6903.20.00.00	Containing By Weight More Than 50 Percent Of Alumina (al2o3) Or Of A Mixture Or Compound Of Alumina And Of Silica (sio2)	Free
6903.90.00	Other	Free

Next steps for HTS 6903

🧮Calculate landed costDuty + Section 301/232 + CBP fees, by origin 🌍Compare origins (China+1)The cheapest compliant country to import from 📊U.S. trade volumesCeramic Products (HS 69) 🤖Is this the right code?Describe your product & let the AI classifier check

🇨🇳 Importing from China? Goods from China may carry an additional Section 301 tariff (+25% or +7.5%) on top of the rate above. Estimate the real landed cost →

Source: U.S. International Trade Commission (USITC) Harmonized Tariff Schedule. Rates are for reference; verify with a licensed customs broker before importing.