Leads Composition structure 1. There must be no molten slag, particulate oxygen, inclusions and external pollution on the surface of lead ingots. 2. Lead ingots must not have cold partitions, and must not have flash burrs larger than 10mm (repairing is allowed). Sign 1. Each lead ingot will be cast or printed with the trademark and batch number. 2. Use paint that is not easy to fall off to mark the brand mark on the lead ingot. The color and position of the mark should meet the requirements. 3. Each bundle of lead ingots should have a striking and difficult to fall off mark, indicating the manufacturer's name, product name, brand number, batch number and net weight. Single weight of small ingot 48kg�±3kg,42kg�±2kg,40kg�±2kg,24kg�±1kg; Single weight of large ingot 950 kg�±50kg,500 kg�±25kg Package The small ingots are bundled and packed with non-corrosive packaging tape. Large ingots are supplied as bare ingots