Natural polymers and modified natural polymers, etc.: South Korea exports and imports
HS 3913 · 천연중합체(예: 알긴산)와 변성한 천연중합체(예: 경화 단백질, 천연고무의 화학적 유도체)[일차제품(primary form)으로서 따로 분류되지 않은 것으로 한정한다] · latest month: October 2026
In October 2026, South Korea exported $1.9 million of natural polymers and modified natural polymers, etc. (HS 3913), up 43.7% from September 2026 and up 50.5% from October 2025.
Over the 12 months to October 2026, exports of natural polymers and modified natural polymers, etc. (HS 3913) totalled $56.1 million, up 48.5% from the 12 months before ($37.8 million).
The largest destination over the 12 months to October 2026 was the United States ($29.4 million, 52.4% of the total), followed by Ireland and the Netherlands.
That was 0.2% of South Korea's exports under HS chapter 39 (plastics and articles thereof) over the same 12 months.
Imports in October 2026 were $46.4 million (up 404.5% from October 2025), leaving a deficit of $44.5 million for the month.
Official description of HS 3913: Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms.
Last 24 months
Subheadings under HS 3913
| Code | Product | Exports, 12 months | Share | vs 12 months before | October 2026 |
|---|---|---|---|---|---|
| 3913.10 | Alginic acid, its salts and esters | $512K | 0.9% | +47.2% | $88K |
| 3913.10.1000 | Sodium alginate | $417K | 81.4% | +29.3% | $88K |
| 3913.10.2000 | Propylene glycol alginate | $91K | 17.8% | +332.0% | $0 |
| 3913.10.9000 | Other | $4,207 | 0.8% | – | $0 |
| 3913.90 | Other | $55.6M | 99.1% | +48.5% | $1.8M |
| 3913.90.2010 | Chlorinated rubber | $6,869 | 0.0% | – | $0 |
| 3913.90.2090 | Other | $211K | 0.4% | +79.5% | $3,053 |
| 3913.90.9000 | Other | $55.4M | 99.6% | +48.4% | $1.8M |
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. 57 countries received this product from South Korea in the last 24 months; the table shows the largest 20.
| Rank | Country | Exports, 12 months | Share | vs 12 months before | Rank before | October 2026 |
|---|---|---|---|---|---|---|
| 1 | United States | $29.4M | 52.4% | +72.4% | 1 | $1.2M |
| 2 | Ireland | $8.5M | 15.2% | – | – | $0 |
| 3 | Netherlands | $8.0M | 14.3% | +870.0% | 8 | $0 |
| 4 | Japan | $3.2M | 5.6% | -1.5% | 3 | $287K |
| 5 | China | $2.3M | 4.1% | +43.5% | 4 | $115K |
| 6 | France | $1.2M | 2.2% | -6.6% | 6 | $17K |
| 7 | Indonesia | $847K | 1.5% | -19.4% | 7 | $118K |
| 8 | Taiwan | $811K | 1.4% | +9.5% | 9 | $34K |
| 9 | Russia | $522K | 0.9% | -9.6% | 10 | $0 |
| 10 | Vietnam | $272K | 0.5% | -19.4% | 11 | $21K |
| 11 | Thailand | $125K | 0.2% | -35.7% | 12 | $5,624 |
| 12 | Czechia | $116K | 0.2% | +470.5% | 25 | $0 |
| 13 | Sweden | $106K | 0.2% | -93.0% | 5 | $0 |
| 14 | India | $92K | 0.2% | +308.0% | 23 | $12K |
| 15 | Brazil | $86K | 0.2% | +8.6% | 14 | $0 |
| 16 | Mexico | $81K | 0.1% | +7.3% | 16 | $0 |
| 17 | Philippines | $67K | 0.1% | +7.3% | 17 | $361 |
| 18 | Spain | $60K | 0.1% | -20.3% | 15 | $1,761 |
| 19 | Malaysia | $46K | 0.1% | -23.5% | 18 | $1,246 |
| 20 | Italy | $41K | 0.1% | -73.5% | 13 | $20 |
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 | $1.9M | +50.5% | 109 t | $17.54 | $46.4M | 690 t |
| September 2026 | $1.3M | +2.5% | 100 t | $13.22 | $35.2M | 481 t |
| August 2026 | $5.8M | +414.7% | 55.5 t | $104.52 | $17.4M | 653 t |
| July 2026 | $14.5M | +867.7% | 96.5 t | $150.33 | $26.9M | 538 t |
| June 2026 | $10.6M | +3.1% | 106 t | $100.30 | $69.8M | 739 t |
| May 2026 | $1.1M | -35.3% | 78.2 t | $14.67 | $17.4M | 693 t |
| April 2026 | $14.5M | +429.5% | 70.9 t | $204.20 | $10.5M | 642 t |
| March 2026 | $1.8M | +50.6% | 106 t | $17.03 | $40.3M | 771 t |
| February 2026 | $1.3M | -75.9% | 63.3 t | $20.82 | $14.9M | 338 t |
| January 2026 | $1.6M | +50.6% | 71.6 t | $22.66 | $24.5M | 689 t |
| December 2025 | $699K | -50.1% | 97.0 t | $7.20 | $93.0M | 490 t |
| November 2025 | $927K | -89.3% | 143 t | $6.50 | $38.8M | 644 t |
| October 2025 | $1.3M | -16.4% | 65.2 t | $19.40 | $9.2M | 597 t |
| September 2025 | $1.3M | +27.3% | 133 t | $9.68 | $68.2M | 611 t |
| August 2025 | $1.1M | -24.2% | 83.4 t | $13.52 | $24.4M | 694 t |
| July 2025 | $1.5M | +13.9% | 55.7 t | $26.92 | $21.9M | 580 t |
| June 2025 | $10.3M | +752.5% | 68.4 t | $150.34 | $13.2M | 720 t |
| May 2025 | $1.8M | +48.4% | 170 t | $10.46 | $47.2M | 593 t |
| April 2025 | $2.7M | +86.5% | 134 t | $20.43 | $22.1M | 652 t |
| March 2025 | $1.2M | +43.3% | 144 t | $8.34 | $34.5M | 519 t |
| February 2025 | $5.5M | +459.4% | 80.9 t | $67.55 | $32.8M | 482 t |
| January 2025 | $1.1M | -53.9% | 55.1 t | $19.54 | $22.4M | 661 t |
| December 2024 | $1.4M | +46.7% | 113 t | $12.43 | $18.1M | 457 t |
| November 2024 | $8.7M | +729.4% | 118 t | $73.36 | $31.9M | 571 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.