Korea Zinc Ships First Antimony Supply to US

Korea Zinc

Korea Zinc Expands Antimony Exports to Strengthen US Supply

Korea Zinc has shipped antimony supply directly to the United States for the first time, marking a major milestone in diversifying global supply chains. The South Korean metals processor expects to deliver up to 100 tonnes of antimony to the US this year, rising to 240 tonnes in 2026. The first 20-tonne shipment departed Busan and is scheduled to arrive at the Port of Baltimore, Maryland, next month.

The exported antimony will be supplied to around 10 defense companies, with applications ranging from munitions alloys to semiconductor production, aerospace equipment, and electronic soldering materials. Korea Zinc produced 3,500 tonnes of antimony in 2024 and plans to sign long-term contracts in the next fiscal year to secure steady offtake agreements.

Strategic Context: US Supply and China’s Export Restrictions

The US faces growing antimony supply challenges, making Korea Zinc’s exports strategically significant. The United States produced no marketable antimony in 2024, according to the US Geological Survey, leaving the country highly dependent on imports. China, which dominates global production, suspended exports of antimony to the US in December, further tightening availability.

As a result, Korea Zinc’s shipments provide a timely alternative for US industries. Defense companies are particularly reliant on antimony for its critical role in flame retardants, lead alloys for batteries, and advanced aerospace alloys. By securing South Korean supply, the US is working to mitigate risks linked to geopolitical tensions and trade restrictions with China.

The Metalnomist Commentary

Korea Zinc’s first direct antimony shipment to the US highlights shifting trade dynamics in critical minerals. With China restricting exports, South Korea is emerging as a reliable partner for US defense and technology supply chains. If long-term contracts materialize, Korea Zinc could position itself as a key supplier in the US market, reinforcing supply security in one of the most geopolitically sensitive critical minerals.