US President Donald Trump's latest tariff adjustments, following a Supreme Court ruling that invalidated most of his previous measures, have created fresh uncertainty for businesses and consumers worldwide. For chemical importers, distributors, and manufacturers, the shifting tariff landscape threatens to disrupt pricing, supply contracts, and cross-border trade flows, particularly for industrial chemicals, polymers, and specialty ingredients.
Legal and regulatory shake-up
On February 21, the US Supreme Court struck down the majority of Trump's tariff measures introduced last year. In response, Trump signed a proclamation invoking Section 122 of the Trade Act of 1974, which allows a temporary 10% tariff on imports from all countries. Later that day, he posted on social media that the tariff would be raised to 15%. This rapid change has left countries including the UK and Australia, which had previously agreed to a 10% tariff with the US, in a state of confusion.

Supply-chain impact
William Bain, trade policy director at the British Chambers of Commerce (BCC), described widespread fatigue among businesses. "The constant changes to tariffs, the lack of clarity and certainty, have left companies exhausted about what prices they can set for their US customers," he said. The BCC estimates that the 5-percentage-point increase to 15% could add £2-3 billion (approx. $2.5-3.8 billion) in tariff costs for UK exports to the US, affecting around 40,000 UK exporters.
What buyers should watch

Tim Doggett, CEO of the UK Chemical Industries Association, noted that additional tariff costs are typically passed down to end-users and consumers. "This leads to price increases and ultimately adds to inflationary pressures," he said. Sectors most exposed include food and beverage, textiles, industrial products, and electrical goods, which face sudden cost surges for US-bound shipments. Chemical buyers should monitor how these costs are absorbed along the supply chain.
Compliance and logistics signals
The Supreme Court ruling also opens the door for companies to seek refunds of approximately $13 billion in tariffs paid since April last year. However, the ruling does not directly address refund procedures, and legal experts warn that claims could take years to resolve. Hundreds of companies have already filed lawsuits. Bob Schwartz of Oxford Economics suggested the Trump administration may use alternative tariff tools under Section 122 to avoid large-scale refunds.

China sourcing context
While the new tariffs apply globally, they add another layer of complexity for Chinese chemical exporters targeting the US market. The uncertainty may push some buyers to diversify sourcing to Europe or the fast-growing Indo-Pacific region, as Bain noted. For Chinese suppliers of industrial chemicals, solvents, and fine chemicals, maintaining competitive pricing and clear contractual terms will be critical amid this volatility.
Source: Read the original report | Published: February 23, 2026
