Bricks, blocks, tiles and other ceramic goods of siliceous fossil meals (for example, kieselguhr, tripolite or diatomite) or of similar siliceous earths
1 declarable lines
Heading 6901 covers ceramic goods made from siliceous fossil meals such as kieselguhr, tripolite, or diatomite, or from similar siliceous earths. The heading has a single declarable line, 6901.00.00.00, so all goods that meet the material description are classified there. The general (MFN) duty rate is Free.
Products in this heading
- Diatomite bricks
- Kieselguhr blocks
- Tripolite tiles
- Diatomaceous earth ceramic boards
- Siliceous fossil meal ceramic shapes
- Diatomite insulating bricks
How to choose the right subheading
- Confirm the goods are ceramic articles made of siliceous fossil meals such as kieselguhr, tripolite, or diatomite, or of similar siliceous earths.
- Confirm the product is a finished ceramic good, not raw siliceous earth or unfired earth powder.
- Check whether the goods are refractory; refractory goods not made of siliceous fossil meals are classified in another heading.
- Check the product shape and use, since building bricks, wall tiles, roofing tiles, and pipes have separate headings.
- Use 6901.00.00.00 when the material and product facts match the heading 6901 description.
Often confused with
- Heading 6902Refractory bricks not made of siliceous fossil meals
Other refractory bricks are classified in heading 6902.
- Heading 6904Ceramic building bricks
Ordinary ceramic building bricks go to heading 6904.
- Heading 6907Ceramic wall tiles
Ceramic flags and wall or paving tiles go to heading 6907.
- Heading 6905Ceramic roofing tiles
Roofing tiles and similar constructional goods go to heading 6905.
- Heading 6906Ceramic pipes and conduits
Ceramic pipes and pipe fittings go to heading 6906.
Frequently asked questions
What is the HTS code for diatomite bricks?
Diatomite bricks made of siliceous fossil meals are classified under 6901.00.00.00, with a general (MFN) rate of Free.
What is the duty on kieselguhr blocks?
Kieselguhr blocks of heading 6901 enter under 6901.00.00.00 and pay a general (MFN) rate of Free.
How do I classify tripolite ceramic tiles?
If the tiles are ceramic goods of tripolite or similar siliceous earth, use 6901.00.00.00, which has a general (MFN) rate of Free. Ordinary wall or paving tiles are classified in another heading.
Guide written from the official schedule text. Rates quoted are general (MFN) rates; check the line page for trade agreement rates and the classification of your exact product.