Doped chemical elements for electronics (wafers): South Korea exports and imports
HS 3818 · 전자공업에 사용하기 위하여 도프처리된(doped) 화학원소(디스크ㆍ웨이퍼 모양이나 이와 유사한 모양으로 한정한다), 전자공업에 사용하기 위하여 도프처리된(doped) 화학화합물 · latest month: October 2026
In October 2026, South Korea exported $228.5 million of doped chemical elements for electronics (wafers) (HS 3818), down 2.1% from September 2026 and down 0.7% from October 2025.
Over the 12 months to October 2026, exports of doped chemical elements for electronics (wafers) (HS 3818) totalled $2.66 billion, up 9.4% from the 12 months before ($2.43 billion).
The largest destination over the 12 months to October 2026 was China ($1.93 billion, 72.8% of the total), followed by the United States and Taiwan.
That was 32.6% of South Korea's exports under HS chapter 38 (miscellaneous chemical products) over the same 12 months.
Imports in October 2026 were $300.3 million (down 4.8% from October 2025), leaving a deficit of $71.8 million for the month.
Official description of HS 3818: Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics.
Last 24 months
Subheadings under HS 3818
| Code | Product | Exports, 12 months | Share | vs 12 months before | October 2026 |
|---|---|---|---|---|---|
| 3818.00 | Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped | $2.66B | 100.0% | +9.4% | $228.5M |
| 3818.00.1000 | Chemical elements doped for use in electronics | $1.03B | 38.6% | +6.3% | $100.2M |
| 3818.00.2010 | Wafers for making solar cells | $211K | 0.0% | -78.7% | $686 |
| 3818.00.2090 | Other | $1.63B | 61.4% | +11.4% | $128.3M |
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. 37 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 | China | $1.93B | 72.8% | +6.6% | 1 | $158.7M |
| 2 | United States | $233.1M | 8.8% | -4.8% | 2 | $25.2M |
| 3 | Taiwan | $180.2M | 6.8% | +68.4% | 3 | $18.8M |
| 4 | Japan | $96.5M | 3.6% | +21.2% | 4 | $11.5M |
| 5 | Czechia | $58.4M | 2.2% | +456.8% | 7 | $497K |
| 6 | France | $57.2M | 2.2% | -3.3% | 6 | $4.5M |
| 7 | Singapore | $56.7M | 2.1% | -25.9% | 5 | $6.1M |
| 8 | Ireland | $8.0M | 0.3% | +218.4% | 12 | $299K |
| 9 | Germany | $7.4M | 0.3% | -11.1% | 8 | $707K |
| 10 | Israel | $6.4M | 0.2% | +195.4% | 14 | $878K |
| 11 | Italy | $5.1M | 0.2% | -28.2% | 9 | $469K |
| 12 | Hong Kong | $5.0M | 0.2% | +463.8% | 17 | $339K |
| 13 | Netherlands | $3.0M | 0.1% | -4.2% | 11 | $26K |
| 14 | Thailand | $1.2M | 0.0% | +64.2% | 19 | $66K |
| 15 | Austria | $1.2M | 0.0% | -82.1% | 10 | $64K |
| 16 | Belgium | $916K | 0.0% | -57.4% | 13 | $3,009 |
| 17 | Philippines | $586K | 0.0% | -45.8% | 16 | $88K |
| 18 | Vietnam | $516K | 0.0% | +45.6% | 21 | $36K |
| 19 | Switzerland | $493K | 0.0% | +15.6% | 20 | $93K |
| 20 | Indonesia | $386K | 0.0% | -53.9% | 18 | $55K |
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 | $228.5M | -0.7% | 321 t | $711.49 | $300.3M | 1,042 t |
| September 2026 | $233.4M | +2.6% | 263 t | $887.53 | $320.1M | 1,106 t |
| August 2026 | $217.6M | -5.1% | 260 t | $836.12 | $281.3M | 937 t |
| July 2026 | $229.6M | +3.5% | 298 t | $771.76 | $322.1M | 877 t |
| June 2026 | $225.8M | +0.6% | 243 t | $927.86 | $322.2M | 1,021 t |
| May 2026 | $216.2M | +1.0% | 235 t | $920.90 | $297.5M | 892 t |
| April 2026 | $204.6M | +6.6% | 234 t | $875.87 | $288.7M | 808 t |
| March 2026 | $210.1M | +11.7% | 233 t | $903.28 | $351.0M | 1,059 t |
| February 2026 | $178.6M | +3.7% | 199 t | $895.67 | $252.7M | 937 t |
| January 2026 | $202.6M | +25.2% | 215 t | $942.49 | $276.4M | 962 t |
| December 2025 | $232.4M | +30.2% | 231 t | $1,005.01 | $326.5M | 958 t |
| November 2025 | $276.1M | +46.9% | 211 t | $1,305.88 | $288.4M | 964 t |
| October 2025 | $230.0M | +21.6% | 233 t | $988.44 | $315.4M | 1,120 t |
| September 2025 | $227.4M | +13.7% | 245 t | $927.23 | $299.3M | 1,008 t |
| August 2025 | $229.4M | +28.1% | 249 t | $922.20 | $281.4M | 865 t |
| July 2025 | $221.8M | +52.4% | 229 t | $969.12 | $279.9M | 488 t |
| June 2025 | $224.6M | +78.3% | 228 t | $985.81 | $300.5M | 965 t |
| May 2025 | $214.0M | +90.9% | 231 t | $925.16 | $276.6M | 843 t |
| April 2025 | $192.0M | +98.4% | 219 t | $878.41 | $295.2M | 1,248 t |
| March 2025 | $188.2M | +71.8% | 230 t | $818.81 | $239.8M | 702 t |
| February 2025 | $172.3M | +74.4% | 260 t | $663.17 | $221.2M | 887 t |
| January 2025 | $161.8M | +89.0% | 165 t | $980.65 | $223.3M | 915 t |
| December 2024 | $178.5M | +101.4% | 215 t | $828.95 | $245.7M | 924 t |
| November 2024 | $188.0M | +106.0% | 197 t | $955.82 | $265.5M | 664 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.