Critical Materials to Watch in 2026: What Procurement Leaders Should Be Monitoring
For most of the past decade, critical materials were a policy topic that procurement teams could follow at a distance. That distance has closed. Export controls, trade actions, and surging demand from electrification, AI infrastructure, and defense programs have turned a once-specialized subject into a recurring line item on supply chain risk registers.
Governments have responded in kind. The U.S. Geological Survey’s annual Mineral Commodity Summaries now tracks supply, demand, and trade dependence for more than 90 minerals and materials1, and the Department of Energy maintains its own list of critical materials for energy technologies4. Drawing on those assessments and current market dynamics, here are the materials worth watching most closely in 2026.
Gallium: Small Market, Outsized Consequences
Gallium underpins the compound semiconductors, gallium nitride and gallium arsenide, that enable radar systems, satellite communications, power electronics, and LED lighting. The United States produces no low-purity gallium domestically and relies on imports, with roughly four-fifths of U.S. consumption taking the form of GaAs, GaN, and GaP wafers2. Because gallium is recovered as a byproduct of alumina refining, supply is concentrated where that refining occurs, and export controls introduced by China since 2023 have made gallium a case study in how quickly a small-volume material can become a large procurement problem.
Germanium: Optics, Fiber, and Space Systems
Germanium shares gallium’s byproduct economics, recovered mainly from zinc processing, and its exposure to the same export control regime. Demand comes from fiber optics, infrared optics for defense and thermal imaging, semiconductor substrates, and the high-efficiency solar cells used on satellites. Compounds such as germanium dioxide are the entry point for many of these supply chains. With satellite constellations expanding and infrared sensing proliferating across defense platforms, germanium demand is growing precisely as its supply picture has become less predictable.
Antimony: The Flame Retardant Workhorse Under Pressure
Antimony trioxide is the dominant synergist in halogenated flame retardant systems used across electronics, cabling, and construction materials, and antimony also appears in lead-acid batteries, ammunition, and semiconductor applications. Mine production is concentrated in a handful of countries, and export restrictions announced in 2024 tightened an already thin market, driving significant price increases. For manufacturers with flame retardancy requirements written into product specifications, antimony has moved from a routine purchase to a material requiring active sourcing strategy.
Graphite: The Quiet Giant of the Battery Supply Chain
Lithium-ion batteries contain more graphite than lithium, making graphite the largest material input to the battery anode by mass. The International Energy Agency projects sustained demand growth for graphite across its energy transition scenarios, while processing, particularly the spheroidization and purification steps that turn mined graphite into anode material, remains heavily concentrated in China3. Both natural and synthetic graphite appear on the U.S. critical minerals and materials lists4. Beyond batteries, graphite remains essential to electric arc furnace electrodes, crucibles, lubricants, and an expanding set of thermal management applications.
Manganese: From Steel Staple to Battery Material
Manganese has long been indispensable to steelmaking, which still accounts for the great majority of consumption, and the United States has no domestic mine production of manganese ore1. What has changed is the battery sector’s interest: manganese-rich cathode chemistries are attracting investment as automakers look to reduce dependence on cobalt and nickel. High-purity manganese sulfate suitable for batteries requires processing capacity that, like graphite, is geographically concentrated, a combination worth monitoring as cathode chemistries evolve3.
Rare Earth Oxides: The Magnet Supply Chain’s Foundation
Rare earth oxides such as neodymium oxide are the feedstock for the permanent magnets inside EV motors, wind turbines, robotics, and defense systems. While mining has diversified modestly, separation and refining capacity remains overwhelmingly concentrated, and rare earth policy has become a recurring instrument in trade disputes3. Manufacturers exposed to magnet supply chains increasingly track oxide availability and pricing directly rather than relying solely on magnet suppliers to manage the risk.
Silicon Carbide Feedstocks: Critical by Designation
The Department of Energy’s critical materials list includes not only minerals but engineered materials, and silicon carbide is among them4. SiC power electronics are displacing silicon in EV inverters, chargers, and industrial power systems because they switch faster and waste less energy at high voltage. That growth depends on high-purity SiC feedstock and wafer capacity, both of which are scaling rapidly but remain concentrated among a small number of producers. Manufacturers of abrasives, ceramics, and refractories that have used SiC for decades now share their supply chain with the semiconductor industry.
What Procurement Leaders Should Do Now
The materials above differ in chemistry and application, but the risk pattern repeats: demand rising faster than diversified supply, processing bottlenecks in a small number of regions, and policy decisions capable of repricing a market overnight. The practical response is visibility first, mapping which products depend on which materials and through which intermediaries, followed by qualification of alternative sources before they are needed rather than after.
This is the kind of work a specialty materials distributor exists to support. Reade maintains sourcing relationships across multiple regions for many of the materials on this list, helping manufacturers evaluate alternative supply channels, secure consistent specifications, and plan inventory against a market that has become structurally less forgiving. In critical materials, the organizations that fare best in disruptions are consistently the ones that prepared while conditions were calm.
References
- U.S. Geological Survey. Mineral Commodity Summaries 2026. https://www.usgs.gov/centers/national-minerals-information-center/mineral-commodity-summaries
- U.S. Geological Survey. Gallium Statistics and Information. https://www.usgs.gov/centers/national-minerals-information-center/gallium-statistics-and-information
- International Energy Agency. Global Critical Minerals Outlook 2025. https://www.iea.org/reports/global-critical-minerals-outlook-2025
- U.S. Department of Energy. What Are Critical Minerals and Materials? https://www.energy.gov/cmm/what-are-critical-materials-and-critical-minerals