Content of lead monoxide PbO , % ≥

99.5

Content of lead metal Pb , % ≤

0.1

Content of lead dioxide PbO 2 , % ≤

0.05

undissolved in nitric acid , % ≤

0.1

Moisture , % ≤

0.2

Content of iron trioxide Fe 2 O 3 , % ≤

0.005

Content of copper oxide CuO , % ≤

0.002

Remains on sieve 180 um , % ≤

0.2