Thailand Faces Looming Plastic Shortage by April as Middle East Shipping Crisis Disrupts Supply

Thailand's Ministry of Commerce is pursuing a barter-style trade arrangement with Iran and neighboring Gulf nations, offering agricultural exports in exchange for guaranteed safe passage of Thai vessels carrying plastic pellets and fertilizer back through increasingly dangerous Middle Eastern waters. The proposal comes as Thailand faces a critical shortage of plastic pellets projected to exhaust domestic inventories by the end of April 2026, just six weeks away.

Why This Matters

• Supply crisis looming: Thailand's plastic pellet stocks could run dry by April 30, threatening packaging and manufacturing sectors nationwide.

• Shipping disruption: Thai cargo vessel "Mayuree Naree" was struck in the Strait of Hormuz on March 11, leaving three crew members missing.

• Trade exposure rising: Monthly losses to Middle East export routes have reached 33.3 billion baht, with another 32 billion baht in goods stranded in transit.

Trade-for-Transit Deal Under Negotiation

Commerce Minister Suphajee Suthumpun confirmed on March 17 that the Thailand Ministry of Foreign Affairs has been actively lobbying Tehran to permit Thai-flagged vessels to transport non-hazardous industrial materials through the Strait of Hormuz, a waterway that has become a flashpoint in escalating regional hostilities. Iran has yet to provide a definitive answer to this proposal.

The proposed exchange would see Thailand ship canned and processed fruit, natural rubber, machinery components, rice, and beverages to Iranian ports, with the same vessels returning laden with polyethylene, polypropylene pellets, and chemical fertilizers—materials essential to Thailand's packaging, automotive, and agricultural industries. Ministry officials emphasize the arrangement should extend beyond Iran to include other Gulf Cooperation Council states, diversifying both supply sources and diplomatic risk.

This is not a novel trade pattern. Iran historically supplied Thailand with petrochemical products and fertilizers, but direct imports from Iran decreased significantly in 2023 due to international sanctions, financial restrictions, and competitive pressure from alternative suppliers. Trade continued, however, with 2024 total bilateral trade reaching 7.29 billion baht (approximately $208 million USD), with Thailand enjoying a substantial surplus. For the first 11 months of 2025, trade volume reached 4.26 billion baht, with Thai exports accounting for nearly 3.97 billion baht.

Shipping Routes Turn Lethal

The urgency behind these negotiations stems from a rapidly deteriorating security environment in the Middle East's two critical maritime chokepoints: the Strait of Hormuz and the Red Sea corridor. Both passages have become high-risk zones due to sustained attacks on commercial shipping by Iranian forces and Houthi militants in Yemen, the latter acting in coordination with Tehran during periods of US-Israeli-Iranian confrontation.

On March 11, the Thai-flagged cargo ship "Mayuree Naree", carrying 23 Thai nationals, was struck while transiting the Strait of Hormuz. Twenty crew members were rescued, but three remain missing. The Thailand Ministry of Foreign Affairs has formally lodged a protest with Iran over the incident, and search efforts continue.

The attacks have forced major shipping lines to suspend services through the Suez Canal and reroute vessels around the Cape of Good Hope, adding 10 to 15 days to transit times and slashing available transport capacity. Freight rates for a 40-foot container have doubled from $3,500 to $7,000. War-risk insurance premiums have skyrocketed, with a 40-foot container now costing around $3,000 to insure—far above normal rates—and reefer containers hitting $4,000.

Several carriers have stopped accepting Middle East-bound cargo altogether, leaving Thai exporters scrambling. The Thailand Post has rerouted international parcels away from the region entirely, absorbing the added cost to maintain flat service fees for customers.

What This Means for Residents

The plastic pellet shortage poses immediate risks to Thailand's manufacturing base, particularly in food packaging, consumer goods, automotive parts, and construction materials. If inventories are exhausted by the end of April as projected, production lines could stall, leading to price increases for packaged foods, bottled drinks, and household products. Fertilizer shortages would hit the agricultural sector next, potentially raising costs for rice, fruit, and vegetable producers during the critical planting season.

Residents should expect price increases on everyday items first—particularly packaged beverages, canned goods, and plastic containers—beginning in mid-April if supplies tighten. The Thailand Ministry of Commerce has indicated it may extend price controls beyond frozen diesel to include essential packaged goods, though formal announcements are pending. Consumers concerned about affordability should monitor government retail price announcements in early April. The ministry has not recommended hoarding, and supplies are expected to stabilize once negotiations with Iran or alternative shipping routes are secured.

The broader economic damage is already measurable. The Thailand Ministry of Commerce estimates that if shipping disruptions persist for two months, total losses could reach 60 billion baht (approximately $1.7 billion USD). That figure includes stranded cargo, lost export contracts, and the cascading impact of higher logistics costs across supply chains.

The government has established a logistics "war room" staffed by trade officials to monitor the situation in real time and coordinate responses. ASEAN foreign ministers have convened emergency sessions to discuss the impact on regional shipping and energy supply chains, though concrete collective action remains limited. Most Southeast Asian navies lack the long-range deployment capabilities or specialized mine-clearing assets needed to secure distant conflict zones, leaving the region reliant on external naval powers and diplomatic pressure.

Energy and Diversification Push

Thailand's exposure to Middle East instability extends beyond shipping. The country sources a significant portion of its energy imports from the Gulf, and prolonged conflict threatens to spike oil and gas prices even as supplies become less reliable. In response, the Thailand Ministry of Energy has accelerated contracts with Angola and the United States to diversify crude oil sources and shore up strategic reserves.

Domestically, authorities are pushing energy conservation measures, including remote work policies for public sector employees, reduced air conditioning use in government buildings, and incentives for electric vehicle adoption. The Thailand Ministry of Commerce has frozen retail diesel prices temporarily to cushion consumers from immediate price shocks.

These moves mirror strategies adopted across Southeast Asia. Indonesia signed a Preferential Trade Agreement with Iran in May 2023 to secure access to Iranian oil and chemical products, while aggressively blending palm oil into diesel to reduce crude import dependence. Singapore, with its diversified energy portfolio, expects higher prices but not physical shortages. Regional cooperation frameworks such as the ASEAN Petroleum Security Agreement (APSA) enable voluntary oil sharing among member states during shortages, though the mechanism has not yet been activated.

Diplomatic Tightrope

Thailand's outreach to Iran occurs against a backdrop of Western sanctions and geopolitical complexity. While Thailand represents only 0.02% of Iran's total export market, the strategic importance of securing industrial inputs outweighs the modest trade volume. The challenge for Thai diplomats is to negotiate access without triggering secondary sanctions or alienating Western security partners.

ASEAN member states have consistently called for restraint and de-escalation in the Middle East, emphasizing dialogue over military confrontation. Yet their leverage remains limited. Unlike Indonesia, which views its PTA with Iran as a gateway to Central Asian markets, Thailand's immediate interest is operational: ensuring ships can move safely, not expanding long-term trade architecture.

The outcome of these negotiations remains uncertain. Until a formal agreement is reached—or the conflict de-escalates—Thai manufacturers and exporters will continue to face supply chain uncertainty, rising costs, and the risk of further maritime attacks on their flagged vessels.