Get started

HS Codes

Harmonized System Code (HS) Lookup & Finder

Harmonized System Code lookup and finder

Your HS codes determine your compliance, your admissibility, and which supply chain advantages you can capture. See how precision classification can protect your finances and unlock greater strategy.


U.S. Harmonized Tariff Schedule

HS Code 2521

Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement

U.S. Tariff Rates

U.S. tariff rates for HS Code 2521: Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement
Heading / SubheadingArticle DescriptionUnit of QuantityGeneralSpecial
2521.00.00.00Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cementtFree
Calculate duties for this HTS code

Flexport Tariff Simulator

Calculate and analyze tariff impacts in real time

Model duties and analyze tariff impacts across your supply chain with the new Flexport Tariff Simulator.

Get started