HTS tariff line · chapter 69
6901.00.00
Bricks, blocks, tiles and other ceramic goods of siliceous fossil meals (for example, kieselguhr, tripolite or diatomite) or of similar siliceous earths
Analysis
HTS 6901.00.00 covers bricks, blocks, tiles and other ceramic goods of siliceous fossil meals (for example, kieselguhr, tripolite or diatomite) or of similar siliceous earths under heading 6901 (bricks, blocks, tiles and other ceramic goods of siliceous fossil meals (for example…).
Goods classified here enter the United States duty-free at the general (normal trade relations) rate, as do about 27% of the 82 tariff lines in chapter 69. Chapter 99 measures such as Section 301 or 232 can still apply on top, depending on where the goods come from.
Goods from countries without normal trade relations pay the column 2 rate of 30% instead of nothing, so origin decides between free entry and a 30% duty.
It is the only US line under subheading 6901.00, so the six-digit code used by every Harmonized System country and the eight-digit US line describe the same goods; a foreign tariff or an exporter's invoice showing 6901.00 points straight here.
Census statistics map these goods to NAICS 327120 (Clay Building Material and Refractories Manufacturing), an industry of 461 US establishments employing 23,500 people. That is the industry code a US manufacturer of the same product would normally use.