US Antimony Corp to Ramp Up Antimony Production as Global Demand Soars

US Antimony Corporation prepares to ramp up production at its Thompson Falls smelting facility, securing new supply chains to reduce dependence on Chinese antimony in critical industries.

Editorial Team (ET)May 5, 2025

United States Antimony Corp. (USAC), the only smelter of antimony in North America, is ramping up efforts to expand its supply of the critical metal and boost production at its Thompson Falls smelting facility. With increasing global tensions and rising concerns over supply chain disruptions, US Antimony is stepping into the spotlight as a strategic player in the global antimony market.

Antimony, a minor yet crucial metal used in flame-retardants, batteries, and munitions, has become an even more essential commodity following China’s recent export restrictions. As China controls nearly half of the world’s mined output of antimony, US Antimony's initiative to secure new supply sources marks a pivotal move for both the company and national security. Introduction to United States Antimony Corp.

United States Antimony Corp. is the leading producer of antimony in North America. Operating out of its primary facility in Thompson Falls, Montana, the company has been at the forefront of antimony smelting and production, supplying key industries with this vital material.

Antimony is classified as a strategic mineral due to its wide range of uses and limited global supply. The metal’s applications extend across industries that play a critical role in national defense, energy storage, and safety technology. With demand for antimony rising, US Antimony is focused on increasing its capacity to meet this growing need.

The Strategic Role of Antimony

One of antimony's primary uses is in the production of flame-retardant materials. Antimony trioxide, a key compound derived from the metal, is added to plastics, textiles, and other materials to prevent fires from spreading. This makes antimony an essential component in the manufacturing of fire-resistant products used in homes, offices, and transportation.

The metal also plays a significant role in the development of advanced batteries, including those used in electric vehicles (EVs) and renewable energy storage systems. Its ability to improve the stability and performance of batteries has made it a crucial element in the energy transition away from fossil fuels.

Antimony’s role in munitions, particularly in enhancing the performance of bullet casings and explosives, underscores its importance to national defense. As global tensions rise, ensuring a stable supply of antimony for defense purposes has become a top priority for many governments, including the United States.

In August, China added antimony to its export restriction list as part of a broader effort to protect its domestic supply of critical minerals. This move has caused widespread concern in industries dependent on antimony, as China accounts for nearly half of global production.

With China’s decision to limit exports, the global supply chain for antimony has been significantly strained. Prices have surged, and companies like US Antimony are seeking new ways to secure the metal and avoid further disruptions.

Current Status of US Antimony’s Smelting Facility

US Antimony’s smelting facility in Thompson Falls is the only one of its kind in North America. However, it has been operating at just 50% capacity due to supply shortages, according to co-CEO Gary Evans. Despite the limitations, the facility remains a critical asset in the company’s operations.

The lack of raw material supply has forced US Antimony to underutilize its smelting operations. With growing global demand for antimony, the company is working diligently to secure new sources of the metal and increase production.

Having the only antimony smelter in North America gives US Antimony a strategic advantage, especially as nations seek to reduce their reliance on Chinese metals. The facility’s expansion could play a vital role in bolstering domestic supply chains for critical industries.

Efforts to Ramp Up Production

To address supply shortages, US Antimony is negotiating with 12 different countries to secure new antimony sources. Gary Evans has indicated that the company expects to receive additional supplies within the next 30 to 60 days, allowing the facility to increase its output to meet rising demand.

The company aims to ramp up production in the coming months as it solidifies partnerships with foreign suppliers. The increase in supply will likely lead to greater output at the Thompson Falls facility, helping US Antimony meet the needs of its customers in critical sectors.

As US Antimony secures more raw material, plans to expand the Thompson Falls smelting facility are in motion. The company’s long-term goal is to operate the facility at full capacity and potentially increase its overall output.

The Philipsburg Flotation Facility

In addition to its smelting operations, US Antimony has leased a flotation facility in Philipsburg, Montana. This facility will help refine sub-par antimony into munitions-grade material, which is critical for defense applications. By improving the quality of its antimony, US Antimony can further strengthen its position in the military supply chain.

The flotation facility plays a crucial role in refining antimony to meet the exacting standards required for various industrial and defense purposes. This investment is part of US Antimony’s broader strategy to enhance its supply chain and increase its production capacity.

Antimony and National Security Concerns

Antimony’s importance to national security cannot be overstated. As a critical component in munitions and other defense technologies, ensuring a stable supply of antimony is essential for maintaining military readiness.

In light of China’s export restrictions, the United States has accelerated efforts to secure domestic and foreign sources of antimony. US Antimony’s efforts to ramp up production are closely aligned with these national security goals.

Global Antimony Market Dynamics

China’s decision to restrict antimony exports has led to a surge in prices, causing supply chain disruptions across industries. As companies scramble to find alternative sources, US Antimony is positioning itself as a key player in the market.

US Antimony’s discussions with 12 foreign countries reflect the broader industry effort to diversify supply sources. By reducing reliance on China, companies hope to achieve greater stability in the global antimony market.

While short-term challenges remain, the expansion of US Antimony’s production capacity could lead to greater long-term stability in the supply of antimony, especially for industries critical to national security.

US Antimony’s Future Outlook

With plans to ramp up supply in the next 30 to 60 days, US Antimony is well-positioned to increase its output and meet growing demand. This strategic move could significantly bolster the company’s market position.

Beyond immediate supply concerns, US Antimony is eyeing long-term growth through facility expansion and increased production capacity. This strategy could help the company solidify its standing in the global antimony market.

As US Antimony increases its production and strengthens its market position, shareholders could see significant benefits. The company’s ability to secure additional supply and ramp up its smelting operations will be closely watched by investors.

Conclusion

US Antimony’s efforts to ramp up its smelting facility and secure new sources of supply come at a critical time. As global demand for antimony rises and China’s export restrictions create uncertainty, the company is well-positioned to meet the growing needs of industries reliant on this strategic metal. With plans to expand production in the coming months, US Antimony could play a pivotal role in shaping the future of the global antimony market.

Antimony

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