Place of Origin : Shijiahzuang,China

Item
Index

ZnO %≥
99.7

PbO %≤
0.037

MnO %≤
0.0001

CuO %≤
0.0002

Insoluble in Hcl Solution %≤
0.006

loss on ignition %≤
0.2

water soluble %≤
0.1

Screen Residues thriugh （45um）mesh%≤
0.1

Volatile105℃ %≤
0.3