Just four weeks after U.S. and Israeli airstrikes against Iran choked off a critical artery of global oil trade, the world is confronting a cascading crisis: a shortage not just of crude, but of petrochemicals, plastics, and the everyday goods they produce. The conflict has throttled oil and natural gas flows through the Strait of Hormuz—a chokepoint that funnels nearly one-fifth of the world’s seaborne oil—disrupting supplies of naphtha, a vital feedstock for synthetic materials used in everything from sneakers to sterile medical tubing. The impact is rippling across Asia, home to more than half of global manufacturing, where governments are rationing disposable plastics, hospitals warn of dialysis tube shortages, and food producers face price hikes on vacuum-sealed bags. Economists warn this ‘rolling supply disruption’—moving westward from the Middle East—could deepen in April, when the last pre-war crude shipments arrive, turning a price shock into a scarcity crisis with no quick fixes.
- The Strait of Hormuz disruption has cut global oil and gas flows by ~20%, triggering a petrochemical shortage that affects plastics, rubber, and medical supplies.
- Asia, the world’s manufacturing hub, faces severe shortages of naphtha—a key plastic feedstock—with resin prices surging up to 59% since late February.
- Medical supplies, food packaging, and consumer goods from dialysis tubes to instant noodles are threatened as manufacturers cut output or declare force majeure.
- Governments are rationing disposable plastics and exploring alternatives like recycled materials or paper, but these shifts could take 6–12 months to implement.
- Experts warn the crisis will worsen in April when pre-war crude shipments are exhausted, shifting the challenge from high prices to actual scarcity.
How the Strait of Hormuz Disruption Became a Global Petrochemical Shortage
The Strait of Hormuz, a narrow 21-mile channel between Iran and Oman, handles roughly one-fifth of the world’s seaborne oil—about 21 million barrels per day—according to the U.S. Energy Information Administration. When U.S. and Israeli airstrikes on Iran in late February disrupted shipping lanes and prompted tankers to avoid the region, the immediate impact was a spike in crude prices. But the deeper damage emerged in petrochemical markets, where naphtha—a lightweight petroleum distillate—is a critical feedstock for producing synthetic materials like plastic resins, synthetic rubber, and polyester. Asia, which imports over half of its naphtha from the Middle East, found itself with dwindling supplies and no readily available substitutes. ‘There’s a direct pipeline from oil and shipping disruption into petrochemicals and consumer goods,’ said Dan Martin, co-head of business intelligence at Dezan Shira & Associates, a firm advising multinational manufacturers in Asia. ‘The transmission is very fast.’
The Role of Naphtha: The Hidden Backbone of Everyday Products
Naphtha is a byproduct of crude oil refining, used to produce ethylene, propylene, and other building blocks for plastics, adhesives, solvents, and synthetic fibers. The Middle East supplies about 17% of the world’s naphtha, but Asia relies on the region for more than half of its imports, according to Morgan Stanley. When shipments slowed, Asian petrochemical plants—already operating near capacity—were forced to cut production or invoke force majeure clauses, a legal term for unavoidable contract breaches. ‘Naphtha inventories are minimal, and there’s no substitute for it,’ said Shariene Goh, a senior petrochemical analyst at ICIS, a commodities intelligence platform. ‘Producers can’t just switch to another feedstock on a dime.’
The scarcity has driven prices for plastic resins in Asia up as much as 59% since late February, reaching record highs, per ICIS data. In Thailand, one of the region’s largest plastic packaging wholesalers raised prices by 10% for clear cellophane bags used by restaurants and food delivery services. In India, the cost of plastic bottle caps has quadrupled, pushing bottled water prices higher. For South Korea’s largest instant noodle manufacturer, Nongshim, the crisis means its current plastic packaging supplier has only about one month’s supply left.
“Such complex spillovers confront us at a time when many economies have limited room to absorb shocks. Although the war could shape the global economy in different ways, all roads lead to higher prices and slower growth.”
From Plastic Bags to Dialysis Tubes: The Human Cost of the Crisis
The petrochemical shortage isn’t just a corporate headache—it’s a threat to public health and daily life. In Japan, hospitals are warning that patients with chronic kidney failure may face interruptions in hemodialysis due to a lack of plastic medical tubes, which are derived from petroleum. Malaysian glove manufacturers report that a shortage of a key petroleum byproduct, used to produce rubber latex, is threatening global supplies of medical gloves. Food producers are also feeling the squeeze: rice farmers in Taiwan told local media they may hike prices because they can’t get vacuum-sealed bags, while condom manufacturers in India report disruptions from shortages of silicon oil—a petrochemical derivative—and ammonia, a key fertilizer component.
The Ripple Effect on Food, Fertilizer, and Electronics
Beyond plastics, the Middle East’s role as a supplier of critical industrial materials is amplifying the crisis. According to Morgan Stanley, the region produces 45% of the world’s sulfur (used in fertilizer), 33% of helium (critical for semiconductors, healthcare, and aerospace), and 22% of urea and ammonia (key crop nutrients). U.S. farmers are already paying about one-third more for imported urea since the war began, while India’s agricultural sector faces fertilizer shortages that could reduce crop yields. ‘Much like during COVID, the shock unfolds sequentially rather than simultaneously—a rolling supply disruption moving westward,’ wrote J.P. Morgan analysts in a recent research note. The bank added that the constraints will peak in April, when the last of the pre-war crude shipments arrive in Asia, marking a shift from price inflation to actual scarcity.
The electronics sector is also vulnerable. Helium, used in semiconductor manufacturing and MRI machines, is in short supply, while plastic components for consumer devices—from smartphones to laptops—are becoming harder to source. ‘If you can’t get the right plastic grade for a connector in a smartphone, that’s a problem,’ said Stephen Moore, founder of MLT Analytics, a plastics trade data platform. ‘The supply chain doesn’t just break at the oil well; it breaks everywhere.’
Governments and Manufacturers Scramble for Solutions—With Limited Success
As the crisis deepens, countries are deploying emergency measures to mitigate the fallout. South Korea, for example, has exploited a temporary suspension of U.S. sanctions on Russian oil and petroleum products to purchase naphtha from Moscow—its first such shipment since the Ukraine war began. Seoul has also imposed an export ban on naphtha to preserve domestic supply. Japan has released oil from its strategic reserves, while Taiwan has set up a hotline for manufacturers struggling to secure plastic. Yet these steps are band-aids on a bullet wound. ‘Everyone’s in the same exact position,’ said Martin of Dezan Shira & Associates. ‘All companies are competing against each other for limited supplies.’
The High Cost of Switching to Alternatives
As plastic prices soar, some manufacturers are exploring alternatives like recycled plastics, paper, glass, or aluminum. In Indonesia, where plastic prices have doubled in the past month, companies are reducing packaging thickness or considering paper-based options, according to the Indonesian Packaging Federation. But the shift is fraught with challenges. Recycled plastics are already in short supply globally, and bio-based plastics—derived from renewable sources—cost five to seven times more than their fossil-fuel counterparts, Moore of MLT Analytics noted. ‘Even if the Strait of Hormuz reopens tomorrow, it will take months to rebuild supply chains and restore normalcy,’ he said. ‘We’re looking at a timeline of six months to a year.’
Asia’s Manufacturing Hub at the Epicenter of the Crisis
Asia’s outsized role in global manufacturing—accounting for 55% of global output, per the Asian Development Bank—makes it uniquely vulnerable to disruptions in the Middle East. The region’s reliance on Middle Eastern naphtha and plastic resin imports means that when the Strait of Hormuz is choked, the pain is felt immediately. In China’s eastern city of Haining, a polyester maker named Qiu Jun described how the price of polyester chips—a key input for fabric—has jumped about 50% since the crisis began. His clients in home textiles and apparel refuse to absorb the higher costs, leaving Qiu’s factory running at minimal capacity. ‘I’m anxious,’ Qiu said. ‘The whole industry feels the same. No one knows how the war will play out.’
The crisis is forcing a reckoning with decades of just-in-time manufacturing, where companies prioritized efficiency over resilience. Now, manufacturers are holding off on new material purchases, hoping prices will fall if the conflict de-escalates. But with no clear timeline for resolution, the strategy risks backfiring. ‘If producers delay purchases and prices stay high, they’ll end up paying more in the long run,’ Goh of ICIS said. ‘And if they run out of inventory, the shortages become real.’
What’s Next? The April Deadline and the Path to Recovery
Analysts warn that the situation will worsen before it improves. J.P. Morgan’s research note predicts that the ‘primary challenge has shifted from price to physical scarcity’ by April, when the last of the crude oil shipments sent before the war are due to arrive in Asia. After that, the region’s petrochemical plants will have no choice but to operate at reduced capacity or shut down entirely if naphtha supplies don’t recover. ‘Asia is no longer in a purely preventive phase,’ the bank wrote. ‘The crisis is entering a new, more dangerous stage.’
For consumers, the impact will manifest in higher prices for everything from instant noodles to dialysis treatments. For businesses, it means squeezed profit margins and potential production halts. For governments, it’s a test of crisis management in an era of overlapping global shocks—from wars to climate change to geopolitical fragmentation. ‘The global economy is being tested in ways we haven’t seen in decades,’ said the IMF in its Monday blog post. ‘The road ahead is paved with higher prices and slower growth.’
Can the Crisis Be Avoided—or Is This the New Normal?
As the world waits to see whether the conflict in Iran escalates or de-escalates, one thing is clear: the petrochemical supply chain is broken, and repairing it will take time. Even if the Strait of Hormuz reopens tomorrow, rebuilding naphtha inventories and restoring production lines could take six to twelve months, according to industry experts. In the meantime, manufacturers are bracing for a prolonged period of elevated costs and potential shortages. ‘There’s not really a whole lot of recourse, except to go and cut assembly and use less power,’ Martin said. For now, the crisis is a stark reminder of how fragile global supply chains have become—and how quickly a regional conflict can spiral into a global catastrophe.
Frequently Asked Questions
Frequently Asked Questions
- Why is the Iran war causing a shortage of plastic and medical supplies?
- The conflict has disrupted oil flows through the Strait of Hormuz, reducing global crude supplies by about 20%. This has triggered a shortage of naphtha, a key petrochemical feedstock used to produce plastics, rubber, and medical tubing. Asia, which relies on the Middle East for over half of its naphtha imports, is particularly hard hit.
- How much have plastic resin prices increased since the war began?
- Prices for plastic resins in Asia have surged up to 59% since late February, according to ICIS, a commodities intelligence platform. In some cases, such as plastic bottle caps in India, prices have quadrupled.
- What are governments doing to address the shortage?
- Countries like South Korea and Japan are releasing oil from strategic reserves, while South Korea has also imported naphtha from Russia (temporarily exempt from sanctions) and banned naphtha exports to preserve domestic supply. Taiwan has set up a hotline for manufacturers struggling to secure plastic, but these measures are only partial fixes.




