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HTS heading 3816: Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801

Heading 3816 of the US Harmonized Tariff Schedule covers Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 3816 at a glance

Goods named in this heading (official line texts): Dolomite ra….

Subheadings (6-digit)

All tariff lines in heading 3816

LineDescriptionGeneralSection 301 (China)Exclusions
3816.00.10Refractory cements, mortars, concretes and similar compositions, including dolom…: Dolomite ra…FreeList 3 +25%
3816.00.20Refractory cements, mortars, concretes and similar compositions, including dolom…: Other3%List 3 +25%

All of chapter 38 · Chapter 38 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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