Copper Supply Chain Faces New Risk as Hormuz Disruption Hits Industrial Inputs

Latest Market Alert | 22 April 2026

Executive Summary

Goldman Sachs has maintained its copper price forecast, but warned that continuing disruption through Hormuz, combined with China’s sulphuric-acid export ban from 1 May, could create supply stress in a market critical to copper production.

What Happened

Goldman said sulphur and sulphuric acid are key inputs for solvent extraction and electrowinning, which account for 17% of global copper supply. Reuters reports the bank sees the Democratic Republic of the Congo and Chile as most exposed, with DRC producers holding only two to three months of inventory and Chile facing additional risk from China’s export ban.

Why It Matters Commercially

This matters because it extends the Middle East disruption into metals, manufacturing and industrial supply chains. It is no longer just an energy-market issue; it is becoming a broader input-cost and production-risk story.

Likely UK / Client Impact

  • Manufacturers and infrastructure-linked businesses may face copper price volatility.
  • Energy-transition, electrical and construction supply chains could come under renewed pressure.
  • Procurement teams may need to watch both commodity pricing and availability, not just freight costs.

Global Commercial Impact

  • DRC output could be curtailed if delays stretch into late May and June.
  • Chilean production is also exposed because of dependence on imported sulphuric acid.
  • Industrial users globally may face renewed pricing pressure if supply tightens.

Our View

This is exactly the type of second-order risk clients can miss. A Hormuz crisis can quickly migrate into metals, chemicals and industrial production planning well before headline oil prices tell the full story.

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