Grey lead oxide, also known as lead(II,IV) oxide, is a compound with the chemical formula Pb3O4. It appears as a grayish-black powder, composed of both lead(II) oxide (PbO) and lead(IV) oxide (PbO2). This compound is a versatile material with significant applications in various industries. In the manufacturing sector, it serves as a crucial component in lead-acid batteries, imparting stability and conductivity to electrode plates. In addition to its role in batteries, grey lead oxide finds use in ceramic glazes, where it contributes to the opacity and color of the finished products. Despite its utility, grey lead oxide must be handled with caution due to the toxic nature of lead, necessitating proper safety measures during production and usage. Its unique chemical properties and applications underscore its importance in modern industrial processes.