Limestone flux, etc.: South Korea exports and imports
HS 2521 · 석회석 융제(融劑), 석회석과 그 밖의 석회질의 암석(석회나 시멘트 제조용으로 한정한다) · latest month: October 2026
In October 2026, South Korea exported $38,061 of limestone flux, etc. (HS 2521), up 111.9% from September 2026. The figure for October 2025 ($6,314) is too small for a percentage comparison.
Over the 12 months to October 2026, exports of limestone flux, etc. (HS 2521) totalled $208,526, down 11.4% from the 12 months before ($235,428).
The largest destination over the 12 months to October 2026 was Australia ($54,915, 26.3% of the total), followed by Malaysia and Indonesia.
That was 0.0% of South Korea's exports under HS chapter 25 (salt, sulphur, stone, lime and cement) over the same 12 months.
Imports in October 2026 were $2.3 million (down 27.1% from October 2025), leaving a deficit of $2.3 million for the month.
Official description of HS 2521: Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement.
Last 24 months
Subheadings under HS 2521
| Code | Product | Exports, 12 months | Share | vs 12 months before | October 2026 |
|---|---|---|---|---|---|
| 2521.00 | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement | $209K | 100.0% | -11.4% | $38K |
| 2521.00.1000 | Limestone | $120K | 57.3% | -10.3% | $38K |
| 2521.00.9000 | Other | $89K | 42.7% | -12.9% | $0 |
Six-digit codes are international; the indented ten-digit codes are South Korea's own subdivision. These rows are world totals; "Share" is the share of the row above.
Top destinations
Export value over the 12 months to October 2026. 20 countries received this product from South Korea in the last 24 months.
| Rank | Country | Exports, 12 months | Share | vs 12 months before | Rank before | October 2026 |
|---|---|---|---|---|---|---|
| 1 | Australia | $55K | 26.3% | +4.8% | 2 | $37K |
| 2 | Malaysia | $42K | 20.1% | – | – | $0 |
| 3 | Indonesia | $42K | 20.1% | -12.3% | 4 | $0 |
| 4 | United States | $36K | 17.4% | -28.9% | 3 | $0 |
| 5 | Hungary | $18K | 8.4% | +2.3% | 5 | $0 |
| 6 | China | $8,468 | 4.1% | – | 6 | $0 |
| 7 | Mexico | $3,164 | 1.5% | – | 10 | $792 |
| 8 | Taiwan | $2,669 | 1.3% | – | – | $0 |
| 9 | Japan | $893 | 0.4% | – | – | $659 |
| 10 | Uzbekistan | $647 | 0.3% | – | – | $0 |
| 11 | Kenya | $104 | 0.0% | – | – | $0 |
| 12 | United Arab Emirates | $1 | 0.0% | – | – | $0 |
| – | Austria | $0 | 0.0% | – | 11 | $0 |
| – | Germany | $0 | 0.0% | – | 13 | $0 |
| – | Italy | $0 | 0.0% | – | 12 | $0 |
| – | Mongolia | $0 | 0.0% | – | 9 | $0 |
| – | Philippines | $0 | 0.0% | – | 8 | $0 |
| – | Saudi Arabia | $0 | 0.0% | -100.0% | 1 | $0 |
| – | Switzerland | $0 | 0.0% | – | 14 | $0 |
| – | Vietnam | $0 | 0.0% | – | 7 | $0 |
Countries are linked when exports of this product to them reached $5,000,000 over 24 months.
Monthly figures
| Month | Exports | vs year earlier | Export weight | Export $/kg | Imports | Import weight |
|---|---|---|---|---|---|---|
| October 2026 | $38K | – | 4.2 t | $9.11 | $2.3M | 85,133 t |
| September 2026 | $18K | – | 66.0 t | $0.27 | $5.5M | 228,066 t |
| August 2026 | $33K | +153.6% | 56.8 t | $0.58 | $2.6M | 103,389 t |
| July 2026 | $16K | – | 60.0 t | $0.26 | $3.6M | 134,546 t |
| June 2026 | $52K | +16.9% | 64.5 t | $0.80 | $5.2M | 215,133 t |
| May 2026 | $5,784 | – | 20.1 t | $0.29 | $2.8M | 111,919 t |
| April 2026 | $6,563 | -90.2% | 35.0 t | $0.19 | $4.7M | 177,853 t |
| March 2026 | $16K | -33.9% | 73.2 t | $0.21 | $3.2M | 126,032 t |
| February 2026 | $16K | -43.2% | 61.0 t | $0.26 | $4.8M | 201,579 t |
| January 2026 | $6,601 | – | 23.0 t | $0.29 | $2.9M | 105,958 t |
| December 2025 | $835 | -96.4% | 3.1 t | $0.27 | $4.0M | 161,779 t |
| November 2025 | $841 | -95.1% | 3.0 t | $0.28 | $3.7M | 141,023 t |
| October 2025 | $6,314 | – | 22.0 t | $0.29 | $3.2M | 120,532 t |
| September 2025 | $9,126 | -58.1% | 27.0 t | $0.34 | $3.1M | 116,134 t |
| August 2025 | $13K | +19.1% | 48.1 t | $0.27 | $3.8M | 150,566 t |
| July 2025 | $2,028 | -95.5% | 9.1 t | $0.22 | $3.8M | 134,153 t |
| June 2025 | $44K | +208.5% | 37.8 t | $1.17 | $4.6M | 168,523 t |
| May 2025 | $579 | -97.0% | 3.0 t | $0.19 | $4.6M | 186,742 t |
| April 2025 | $67K | +480.6% | 149 t | $0.45 | $3.9M | 150,229 t |
| March 2025 | $24K | +93.3% | 27.8 t | $0.85 | $4.6M | 174,335 t |
| February 2025 | $28K | -62.6% | 131 t | $0.21 | $3.9M | 148,196 t |
| January 2025 | $512 | -96.1% | 2.0 t | $0.26 | $5.2M | 217,981 t |
| December 2024 | $23K | +95.7% | 118 t | $0.20 | $4.9M | 194,769 t |
| November 2024 | $17K | – | 84.1 t | $0.21 | $3.6M | 137,119 t |
Exports FOB, imports CIF, US dollars. Weight is net weight. "vs year earlier" compares export value with the same month one year before and is left blank when that month was under $10,000. Source: Korea Customs Service, via data.go.kr.