International oil prices fell below $80 per barrel, and crude freight rates dropped 22% in a single week—the ripple effects of the shipping rule changes in the Strait of Hormuz are now transmitting along the petrochemical chain to the textile upstream. For chemical fiber producers that rely on PTA and MEG as their "daily bread," this is a rare cost-side positive in recent times, but how long it will last depends on the actual operational efficiency of the new route and the evolution of geopolitical games.
Event Background
On August 5, Iran's deputy foreign minister confirmed that a preliminary agreement with Oman on commercial shipping through the Strait of Hormuz was near finalization. The core plan is to close the two traditional north-south lanes that have been in use for over 60 years, redirecting all transit vessels to a temporary route through Iranian territorial waters. According to regional maritime service providers, supporting rules—including 72-hour advance reporting, onboard inspection, and tiered transit service fees—are still under negotiation and will be released alongside the agreement.
Operational data shows that transit volumes remain far below normal. Under normal conditions, 130-140 commercial vessels pass through the strait daily, carrying nearly 30% of global seaborne crude oil and 20% of LNG exports. Currently, daily transits have not exceeded 60 vessels, and many tankers still divert around the Cape of Good Hope, lengthening transit times and inflating logistics costs. The claimed "30% efficiency improvement" is more of a theoretical optimization based on the new route; actual throughput recovery will take time.
Industry Impact
For the textile chemical fiber chain, the dual decline in oil and freight prices means phased cost relief. Brent crude fell from above $110 to $79.45, directly lowering the pricing center for naphtha, PX, and other basic feedstocks. Meanwhile, the 22% weekly drop in crude freight rates from the Middle East to Asia reduces the landed cost of imported MEG and PTA. For polyester plants that rely heavily on imported MEG, this is like an "invisible discount."
However, this cost-side benefit is not risk-free. First, the new route is still in a trial phase, with slow recovery in transit volumes; any inspection delays or rule reversals could quickly push freight rates back up. Second, the Red Sea route remains under threat, meaning both major energy chokepoints are simultaneously strained, and the structural supply gap is not eliminated. Third, Asian refineries' heavy dependence on Middle Eastern crude cannot be fully replaced by US, West African, or Russian oil, so the medium-to-long-term supply-demand balance remains tight. This implies limited downside for chemical fiber feedstock prices, and companies should not overbet on a one-way decline.
In the spot market, some Asian refineries have already postponed medium-term procurement of Middle Eastern crude and increased purchases from the Americas and Russia, reducing spot trading activity. For textile companies, this means more procurement options and greater bargaining power in the short term, but large-scale bargain hunting is still risky because geopolitical price swings tend to be volatile and reversible.