Heading · Chapter 25
2521: Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement
Heading 2521 has no further six-digit division: the whole heading is subheading 2521.00, in chapter 25 (salt; sulphur; earths and stone; plastering materials, lime and cement).
Duty rates compared
UK specific or compound duty Third-country duty 1 tariff line 
EU Free Third-country duty 1 tariff line 
Türkiye Free Third-country duty 1 tariff line 
USA Free General (MFN) 1 tariff line 
Canada Free General (MFN) 1 tariff line 
Mexico Free General (MFN) 1 tariff line 
Brazil 3.6% General (MFN) 1 tariff line 
Argentina 3.6% General (MFN) 1 tariff line 
Peru Free General (MFN) 1 tariff line 
New Zealand Free General (MFN) 1 tariff line 
Japan Free General (MFN) 1 tariff line 
Taiwan Free General (MFN) 1 tariff line 
GCC 5% General (MFN) 5 tariff lines 
Switzerland Free General (MFN) 1 tariff line 
Norway Free General (MFN) 1 tariff line 
North Macedonia 7% General (MFN) 1 tariff line 
Nigeria 5% General (MFN) 1 tariff line Subheadings 1
EU: imports by month
World trade in 2024
Trade value (US$) no reported trade < US$165kUS$165k+US$3m+US$13m+> US$74m
Exports: 118
- United Arab Emirates: US$612m
- Japan: US$119m
- Oman: US$105m
- Belgium: US$74m
- Malaysia: US$72m
- Vietnam: US$48m
- Spain: US$35m
- France: US$24m
- Egypt: US$17m
- India: US$15m
- United States: US$13m
- Canada: US$11m
- Thailand: US$11m
- Norway: US$10m
- Germany: US$10m
- Poland: US$8m
- Sweden: US$7m
- Austria: US$7m
- Kazakhstan: US$6m
- China: US$6m
- Dominican Republic: US$5m
- United Kingdom: US$4m
- Denmark: US$4m
- Türkiye: US$4m
- Czechia: US$4m
- South Africa: US$3m
- Philippines: US$3m
- Moldova: US$3m
- Estonia: US$2m
- Bhutan: US$2m
- Ireland: US$2m
- Netherlands: US$2m
- Slovakia: US$2m
- Tunisia: US$1m
- Barbados: US$1m
- Jordan: US$885k
- Zambia: US$835k
- Tanzania: US$770k
- Italy: US$713k
- Nepal: US$505k
- Montenegro: US$474k
- Morocco: US$473k
- Bosnia & Herzegovina: US$412k
- Finland: US$382k
- North Macedonia: US$331k
- Hungary: US$298k
- Russia: US$264k
- Mauritius: US$251k
- Zimbabwe: US$248k
- Portugal: US$213k
- Kenya: US$207k
- Lithuania: US$199k
- Romania: US$179k
- Australia: US$169k
- South Korea: US$165k
- Brazil: US$164k
- Pakistan: US$143k
- Colombia: US$138k
- Greece: US$137k
- Iran: US$114k
Trade value (US$) no reported trade < US$147kUS$147k+US$1m+US$11m+> US$34m
Imports: 153
- India: US$709m
- Taiwan: US$92m
- Netherlands: US$77m
- South Korea: US$47m
- Germany: US$34m
- Japan: US$29m
- Bangladesh: US$25m
- Sweden: US$24m
- Kuwait: US$24m
- Madagascar: US$22m
- United States: US$16m
- Australia: US$14m
- Brazil: US$13m
- Canada: US$12m
- Belgium: US$11m
- Indonesia: US$11m
- Bahrain: US$10m
- Hong Kong SAR China: US$9m
- Finland: US$8m
- Malaysia: US$8m
- Kyrgyzstan: US$6m
- Singapore: US$5m
- Luxembourg: US$4m
- Chile: US$4m
- Côte d’Ivoire: US$4m
- France: US$4m
- Ukraine: US$3m
- Qatar: US$3m
- Cambodia: US$3m
- Slovakia: US$3m
- Denmark: US$2m
- Italy: US$2m
- Lithuania: US$2m
- New Caledonia: US$2m
- Czechia: US$2m
- Botswana: US$2m
- Zimbabwe: US$1m
- Latvia: US$1m
- Peru: US$1m
- Ireland: US$1m
- United Kingdom: US$1m
- Saudi Arabia: US$1m
- Switzerland: US$980k
- Poland: US$942k
- China: US$831k
- Burundi: US$758k
- Norway: US$709k
- Guyana: US$643k
- Iceland: US$620k
- Liberia: US$518k
- Estonia: US$501k
- Malta: US$494k
- Croatia: US$439k
- Thailand: US$433k
- Haiti: US$423k
- Hungary: US$374k
- Guinea-Bissau: US$350k
- Bahamas: US$341k
- New Zealand: US$334k
- Serbia: US$331k
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 |  United Arab Emirates | US$612m | 48.4% |
| 2 | Japan | US$119m | 9.4% |
| 3 |  Oman | US$105m | 8.3% |
| 4 |  Belgium | US$74m | 5.9% |
| 5 |  Malaysia | US$72m | 5.7% |
| 6 |  Vietnam | US$48m | 3.8% |
| 7 |  Spain | US$35m | 2.8% |
| 8 |  France | US$24m | 1.9% |
| 9 |  Egypt | US$17m | 1.4% |
| 10 |  India | US$15m | 1.2% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | India | US$709m | 56.1% |
| 2 | Taiwan | US$92m | 7.3% |
| 3 |  Netherlands | US$77m | 6.1% |
| 4 |  South Korea | US$47m | 3.7% |
| 5 |  Germany | US$34m | 2.7% |
| 6 | Japan | US$29m | 2.3% |
| 7 |  Bangladesh | US$25m | 2% |
| 8 |  Sweden | US$24m | 1.9% |
| 9 |  Kuwait | US$24m | 1.9% |
| 10 |  Madagascar | US$22m | 1.7% |
Heading 2521 is a single line in the EU Combined Nomenclature, where the duty is duty-free.
The Turkish Customs Tariff Schedule has one tariff line for heading 2521; the duty is duty-free.
Heading 2521 is a single line in the Harmonized Tariff Schedule of the United States, where the duty is duty-free.
The Customs Tariff of Canada has one tariff line for heading 2521; the duty is duty-free.
Heading 2521 is a single line in the Mexican Tariff (TIGIE), where the duty is duty-free.
The Brazilian Tariff (NCM/TEC) has one tariff line for heading 2521; the duty is 3.6%.
Heading 2521 is a single line in the Argentine Tariff (NCM-SIM), where the duty is 3.6%.
The Customs Tariff of Peru has one tariff line for heading 2521; the duty is duty-free.
Heading 2521 is a single line in the Working Tariff Document of New Zealand, where the duty is duty-free.
The Customs Tariff Schedules of Japan has one tariff line for heading 2521; the duty is duty-free.
Heading 2521 is a single line in the Customs Import Tariff of Taiwan, where the duty is duty-free.
The GCC Common Customs Tariff divides heading 2521 into 5 tariff lines; the duty is 5%.
Heading 2521 is a single line in the Swiss Customs Tariff (Tares), where the duty is duty-free.
The Customs Tariff of Norway has one tariff line for heading 2521; the duty is duty-free.
Heading 2521 is a single line in the Customs Tariff of North Macedonia, where the duty is 7%.
The ECOWAS Common External Tariff (Nigeria) has one tariff line for heading 2521; the duty is 5%.
In 2024, countries exported heading 2521 goods worth US$1.3bn (−3.1% year on year).
The largest exporter was the United Arab Emirates (US$612m), followed by Japan.
The biggest buyer was India, with imports of US$709m.
The United Kingdom ranked 22nd among 118 exporters with US$4m.
The United Kingdom imported US$1m.
Products classified here
Questions and answers
What is the HS code for limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement?
Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement fall under HS heading 2521, part of chapter 25, in section V of the Harmonized System.
What is the import duty on limestone flux in the EU?
Under the EU Combined Nomenclature, imports under 2521 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on limestone flux in Türkiye?
Under the Turkish Customs Tariff Schedule, imports under 2521 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most limestone flux?
The United Arab Emirates, with US$612m in 2024 (48.4% of world exports).