Boliden produces lead in the form of both primary lead from mines and secondary lead from recycled batteries. Our lead production totals around 70,000 tonnes annually.
At the Rönnskär smelter in Skelleftea, pure lead is extracted from lead concentrates from Boliden's own mines, as well as from external suppliers. The pure lead is cast into ingots weighing 42.5 kg each. Boliden's lead refinery maintains a high and steady quality with a level of 99.97 per cent lead and is its brand "BOLIDEN 9997" is registered on the London Metal Exchange (LME).
The ingots are transported by ship or train to customers in Europe.
At Boliden Bergsöe in Landskrona, lead is extracted and refined from scrapped batteries and other lead-containing recyclables. Bergsöe's BERA lead is registered on the LME and contains minimum 99.97 per cent lead. In addition, Bergsöe produces lead alloys with antimony, copper, calcium, tin or silver. Lead alloys tailored to specific customers' requirements and wishes are produced in close collaboration with our customers and the process is subject to extensive analyses. The top-selling products are alloys of lead with antimony and calcium.