Global supply chains have become the invisible backbone of modern industrial economies, ferrying raw materials, components, and finished goods across borders with remarkable efficiency. When that flow is interrupted—by a pandemic, a geopolitical crisis, or a natural disaster—the effects ripple through every sector that depends on a steady, predictable supply of critical inputs. Few products illustrate this vulnerability as starkly as commercial and military explosives. From the ammonium nitrate that breaks rock in open-pit mines to the high explosives used in demolition and defense, availability hinges on a fragile web of raw-material extraction, specialized chemical manufacturing, and strictly regulated transportation. The disruptions of the past five years have exposed just how brittle that web can be, forcing industries to rethink sourcing, inventory, and logistics strategies.

This article examines the mechanisms by which global supply chain disruptions affect explosive availability, the specific pinch points that have emerged, and the tactical and strategic responses companies and governments are adopting to build resilience. The discussion is grounded in recent events—the COVID-19 pandemic, the Russia-Ukraine conflict, and ongoing trade tensions—and draws on real-world examples from mining, construction, and defense.

Understanding Supply Chain Disruptions in the Explosives Market

Supply chain disruptions are not new, but their frequency and severity have increased markedly in the last decade. For explosives, a product class that is simultaneously commodity-like and highly regulated, the disruption can take many forms. At its core, a disruption is any event that interrupts the normal, predictable flow of materials, information, or capital along the supply chain. When that interruption cascades through multiple tiers of suppliers, it can create shortages that last for months or even years.

Natural Disasters and Climate Events

Earthquakes, floods, hurricanes, and droughts can halt production at nitrate mines, ammonium nitrate plants, and explosives compounding facilities. For example, the 2021 floods in Western Europe forced the temporary shutdown of several chemical plants that produce ammonium nitrate precursors. Even when manufacturing remains intact, transportation corridors may be severed. Rail lines, highways, and ports are often the first casualties of extreme weather, and because explosives are classified as Class 1 hazardous materials, they cannot simply be rerouted through alternate modes without extensive re-licensing and safety reviews.

Geopolitical Conflicts and Trade Wars

Geopolitical tensions have a direct and often immediate impact on explosive availability. The Russia-Ukraine war is a case in point. Russia is a major producer of ammonium nitrate and synthetic ammonia, both critical for commercial explosives. Trade sanctions, export controls, and the destruction of production infrastructure have removed significant volumes from the global market. Similarly, China’s export restrictions on ammonium perchlorate—an oxidizer used in many high-explosive formulations—have tightened supply for defense and aerospace applications. Trade wars between the United States and China have also created uncertainty, leading to panic buying and price volatility.

Pandemics and Health Crises

The COVID-19 pandemic demonstrated how a health crisis can disrupt every node of the explosives supply chain simultaneously. Factory lockdowns reduced production capacity; labor shortages slowed loading and blending operations; and air and sea freight disruptions delayed shipments of specialty chemicals. Even as demand for mining explosives remained strong in many regions, manufacturers struggled to maintain output because they could not secure raw materials or spare parts for critical equipment. The pandemic also accelerated a trend toward regionalization, as companies sought to shorten supply lines and reduce dependence on distant suppliers.

Transport and Logistical Failures

Explosives move through dedicated logistics networks subject to strict regulations under the UN Model Regulations for the Transport of Dangerous Goods and local equivalents such as the US DOT 49 CFR. Any disruption in the availability of certified containers, specially trained drivers, or approved port facilities can cause immediate bottlenecks. The 2021 Suez Canal blockage, while not directly halting explosive shipments, created a cascade of container shortages and schedule delays that rippled through the global chemical supply chain. For explosives, logistical failures also include regulatory changes—such as new security requirements at ports—that slow down clearance times.

Impact on Explosive Availability by Supply Chain Stage

The explosive supply chain can be divided into three principal stages: raw material sourcing, manufacturing and compounding, and transportation to end users. Disruptions at any stage can create shortages, but the specific characteristics of each stage determine how severely and how quickly availability is affected.

Raw Material Shortages

Commercial high explosives are typically based on ammonium nitrate (AN) blended with fuel oil (ANFO) or emulsion explosives containing ammonium nitrate and sodium nitrate. Military explosives often use RDX, HMX, PETN, and ammonium perchlorate. Many of these raw materials are produced in only a handful of countries. Ammonium nitrate production is heavily concentrated in Russia, China, Ukraine, and the United States. When supplies from these regions are disrupted—whether by war, export bans, or natural gas price spikes (natural gas is the primary feedstock for ammonia synthesis)—the global market tightens rapidly.

In 2022, European ammonium nitrate production fell by over 25% because of high natural gas prices following the Russian invasion of Ukraine. Fertilizer-grade AN was diverted to agricultural uses, reducing the volume available for explosives. Miners in Africa and South America, who rely on imported ammonium nitrate, experienced price increases of 150–300% and extended lead times. Similar dynamics have affected nitrocellulose and nitroglycerin precursors, which rely on chemical inputs that are themselves subject to supply chain volatility.

Water-Sensitive Chemicals and Specialty Compounds

Beyond bulk AN, many explosive formulations require specialty chemicals: emulsifiers, sensitizers, and microspheres for emulsion explosives; aluminum powder for boosters; and stabilizers for propellants. These specialized inputs are produced in smaller volumes by a limited number of suppliers. A factory fire or equipment failure at a single plant can eliminate a significant fraction of global supply. For instance, the 2019 explosion at a chemical plant in Texas destroyed the sole US source of a key sensitizer used in bulk emulsions, forcing mines to switch to alternative formulations at higher cost.

Manufacturing and Compounding Delays

Explosive manufacturing is a capital-intensive process that cannot be rapidly scaled up. Licensing, safety approvals, and environmental permits take years, not months. When production capacity is lost—whether due to an accident, a regulatory shutdown, or a workforce shortage—it cannot easily be replaced. The COVID-19 pandemic highlighted this fragility: many explosives plants operated at reduced capacity because of social-distancing rules, limiting onsite personnel numbers. At the same time, raw material delays meant that plants could not run at full capacity even when they had the labor.

Manufacturing delays are compounded by the need for specialized packaging and labeling. Explosives must be packaged in UN-approved containers that are often sourced from the same regions that produce the raw materials. A shortage of fiber drums, steel boxes, or shock-absorbent packing materials can bring production to a halt even when the explosive compounds are ready. The global packaging supply chain has been under strain since 2020, driven by rising cardboard and steel costs, and explosives are just one of many industries that compete for these inputs.

Transportation and Distribution Bottlenecks

The movement of explosives is governed by stringent global and national regulations that limit the modes, routes, and time frames in which shipments can occur. For example, in the United States, explosives cannot be transported on passenger aircraft, and many tunnels and bridges prohibit hazmat loads. Ports that accept Class 1 cargo are fewer than those handling general freight, and they often have limited storage capacity due to safety restrictions. Any disruption at a key hazmat port—such as a labor strike, a security drill, or a customs backlog—creates a bottleneck that can ripple across a continent.

The shift toward multimodal shipping has not fully resolved these issues. Explosives moving from a manufacturing plant in Europe to a mine in South America may require truck, rail, and ocean segments. Each modal transfer introduces a new set of regulatory checks, potential delays, and risks of damage. The trend toward larger container ships has also reduced the number of vessels that can carry hazmat containers, as many carriers have reduced their dangerous goods acceptance to simplify operations. This has led to fewer sailing options and higher freight costs.

Regulatory Divergence and Compliance Burdens

International harmonization of explosive regulations has improved over the past two decades, but significant differences remain. An explosive that is approved for transport under ADR (Europe) may require separate approvals under IMDG (marine) and IATA (air). During a supply chain disruption, companies may need to switch from one transport mode to another, triggering costly and time-consuming reclassification and repackaging. Brexit introduced additional customs paperwork for explosives moving between the UK and the EU, delaying shipments by weeks. Similar friction exists between India and its neighbors, and between Latin American countries with different security regimes.

Consequences for Industry Sectors and Broader Economies

Shortages of explosives are not just a logistical inconvenience; they have direct economic and safety implications. When price spikes and lead times lengthen, miners may be forced to defer development blasting, reduce extraction rates, or switch to less efficient blasting patterns. Construction projects face delays in foundation excavation, tunneling, and demolition. Defense organizations may experience gaps in ammunition production or training exercises.

Mining and Resource Extraction

The mining industry is the largest consumer of commercial explosives, accounting for roughly 70% of global demand. Open-pit and underground mines rely on bulk ANFO and emulsion explosives for daily blasting. When supply tightens, operators face a difficult choice: pay significantly more for contracted explosives, idle production, or substitute lower-quality blasting agents that reduce rock fragmentation and increase downstream costs. Larger mining companies with global sourcing have the flexibility to draw on multiple suppliers, but smaller operators—particularly in developing countries—are exposed to spot market volatility. A prolonged shortage can force mine closures, with cascading effects on local economies and global commodity supply.

Construction and Infrastructure

Infrastructure projects ranging from road tunnels to skyscraper foundations require precision blasting. Construction explosives are typically packaged in smaller diameters and are subject to tighter supply chains than bulk mining explosives. The same disruptions that affect mining also hit construction, but with an added twist: construction projects often have shorter procurement windows and cannot stockpile large quantities due to security and storage restrictions. A two‑month lead time extension can derail an entire project schedule, triggering contract penalties and delays to associated trades.

Defense and Military Readiness

Military organizations maintain strategic stockpiles of explosives for munitions, but these reserves are sized for peacetime usage. Sustained conflicts or major training exercises can deplete stocks faster than industry can replenish them. The US Department of Defense has expressed concern about the fragility of the domestic energetic materials supply base, noting that many precursor chemicals are imported or produced by a single domestic source. Disruptions to these sources directly affect ammunition production, bomb-component manufacturing, and missile propulsion systems. In response, the DoD has invested in domestic manufacturing capacity for key oxidizers and binders, but these programs take years to deliver results.

Strategies for Mitigation: Building Resilience

The experience of the past several years has driven both industry and government to adopt a range of mitigation strategies. None are perfect, but collectively they reduce the probability of a complete supply failure.

Strategic Stockpiling and Buffer Inventories

Mining companies and defense procurement agencies are re-examining inventory policies. The just‑in‑time (JIT) model that minimized holding costs proved vulnerable when disruptions struck. Many are now shifting to just‑in‑case (JIC) inventory, holding three to six months of raw materials and finished explosives. Stockpiling ammonium nitrate, however, presents safety and regulatory challenges. The chemical is a fire and explosion hazard in storage, and many jurisdictions limit the quantity that can be held without special permits. Despite these constraints, both private and public sectors have increased strategic reserves.

Diversification of Supply Sources

Over‑reliance on a single supplier or region is a primary risk factor. Companies are now qualifying multiple suppliers for each critical raw material, even if that means paying slightly higher unit costs. Geographic diversification is particularly important: sourcing ammonium nitrate from both the Middle East and North America, for example, reduces exposure to a single regional disruption. Similarly, explosives manufacturers are developing alternative formulations that use different oxidizers or fuels, allowing them to switch formulations when one input becomes scarce.

Investment in Local Manufacturing Capabilities

Many governments have introduced incentives for local production of critical chemicals. Australia, a major mining country, has funded studies on building a domestic ammonium nitrate plant to reduce dependence on imports. The European Union has designated ammonium nitrate as a strategic chemical and is encouraging member states to support local capacity. In the defense sector, the US Army’s Joint Technology Office for Energetics is working to revive domestic production of RDX and other high‑explosive compounds that had been largely outsourced to overseas suppliers.

Enhanced Logistics and Safety Protocols

Logistics resilience can be improved through better forecasting, longer shipping windows, and closer collaboration with specialized freight forwarders. Digital supply chain tools—such as real‑time tracking and AI‑based demand sensing—help companies anticipate disruptions before they cause shortages. On the regulatory side, industry associations are advocating for harmonized global standards for explosive transport and storage, which would reduce the friction that magnifies small disruptions into large bottlenecks. Enhanced safety protocols also pay dividends: fewer accidents mean less downtime at manufacturing and storage facilities.

Collaboration and Information Sharing

No single company or country can solve the explosive supply chain challenge alone. Industry groups such as the International Society of Explosives Engineers (ISEE) and the Institute of Makers of Explosives (IME) facilitate information sharing on supply risks, alternative sourcing, and best practices. Government‑industry partnerships, like the US Department of Energy’s Critical Materials Institute, provide a forum for coordinating research on substitute materials and more efficient production processes. In times of crisis, these networks enable rapid response, such as emergency waivers for transport restrictions or temporary production approvals.

Conclusion

Global supply chain disruptions have exposed the fragility of the explosive supply chain in ways that were not fully appreciated a decade ago. The convergence of natural disasters, geopolitical conflicts, pandemics, and logistical failures has created a new normal of volatility and uncertainty. For mining, construction, and defense, the ability to secure a steady, affordable supply of explosives is no longer something that can be taken for granted.

The path forward requires a multipronged approach: strategic inventory buffers, diversified sourcing, localized production, enhanced logistics, and collaborative problem‑sharing across the industry. While these actions involve investment and forgone efficiency in the short term, they are essential for ensuring that critical blasting and defense operations can continue even when the global supply chain is under pressure. Those who adapt will be better positioned to weather the next disruption—and in a world where disruptions are becoming more frequent, resilience is the ultimate competitive advantage.

For further reading on supply chain resilience in hazardous materials, see the UNCTAD Trade and Development Report 2024, the Institute of Makers of Explosives guidance on raw material security, and the National Academies report on strategic materials for defense.