Content of lead monoxide(PbO) 99.5%Min
Content of Lead metal(Pb) 0.1%Max
Content of lead superoxide(PbO2) 0.05%Max
Unsoluble in nitric acid 0.1%Max
Moisture 0.2%Max
Content of iron sesquioxide(Fe2O3) 0.005%Max
Content of copper oxide(CuO) 0.002%Max
Remains on sieve(88eye) 0.2%Max