Imports of certain copper products into the US face a 50% tariff from Aug. 1 as President Donald Trump seeks to revive the domestic supply chain and make the country less reliant on foreign sources of this critical material.

U.S. copper prices surged to records and well above global prices this month after Trump said he would impose a 50% import tax on the metal, which is used to make electronics, automobiles and in construction, where it is used to convey water in pipes and electricity in wires.

The United States will impose a 50% tariff on copper pipes and wiring, President Donald Trump said on Wednesday, but details of the levy fell short of the sweeping restrictions expected and left out copper input materials such as ores,