Basic lead sulfate mainly includes tribasic lead sulfate (referred to as: 3BS) and tetrabasic lead sulfate (referred to as: 4BS), of which tribasic lead sulfate is widely used in the plastics industry, due to its excellent heat resistance, It has the advantages of electrical insulation, light stability, no discoloration, and thermal stability of PVC. It is widely used in PVC insulation materials, paint pigments, wires, cables and additives to improve battery performance to prepare lead Acid batteries, etc.