Item		Index
PbO2 content % min		33.9
Pb3O4 content % min		97.0
Total Pb3O4 and PbO content % min		99
Volatile matter at 105(%,m/m) max		0.2
Soluble matter in water, % max		0.1
Oil absorption, g/100g max		6.0
Residues on sieve(63 μm mesh sieve),% (m/m) max		0.75
Sedimentation dimension, ml min		30
Nitric acid nonsoluble matter,% max		0.1
Fe2O3 content, % max		0.003
CuO,% max		0.002
Particle sizes	2.0-1.7mm,% max	2.0
	1.7-0.8mm,% min	95.0
	0.8mm,% max	3.0