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zinc oxide electron grade 99.9
�鳥怏特仲�?埰懿
ZnO
1314-13-2
In the electronic industry.zinc oxide for arrester and piezoresistance,purpose is mainly used for the manufacturing of magnetic materials of TV,radio,telecommunication,rheostat ceramic plate
Items Standard(%)
dried material) 99.8min
Lead Oxide (calculated as Pb) 0.003max
Copper Oxide(calculated as Cu) 0.0002max
Potaassium Oxide (as K) 0.001max
Sodium Oxide(as Na) 0.001max
Ferric Oxide(As Fe) 0.002max
Metallic Zn none
Manganes Oxide(calculated as Mn) 0.0001max
Insolubles in HCl solution 0.006max
Water solubles 0.1.max
Loss on Ignition 0.2max
Screen Residues through 320 mesh(45um) 0.1max
105℃ Volatile 0.3max
Average size um 0.5-0.9
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