Product List
ELECTRON GRADE ZINC OXIDE

NANO-ZINC OXIDE FOR ARRESTER DEDICATED

Conductive zinc oxide is white or slightly yellow, than the traditional series of metal lines and conductive carbon black powder with a broader range of applications. ZnO varistor nonlinear characteristics to enable them to play over-voltage protection, anti-lightning strike to curb the role of transient pulses become the most widely used pressure-sensitive varistor material. Studies have shown that ZnO varistor nonlinear coefficient α = 45, the critical electric field value is greater than 1000V, leakage current less than 1μA,
       Read from the magnetic materials industry, with particular attention to the issue of lead content. Zinc oxide is the main reason for lead core. At present, the vast majority used zinc oxide is produced by the indirect method, the existing sectors of ZnO GB/T3185-92 implementation of national standards, the priority grade of the lead content of zinc oxide target of <370 ppm, in fact far beyond the factory production of lead-free products Ferrite acceptable limits. The lead content of ZnO indicators <5ppm, can be achieved in the magnetic materials industry in the EU RoHs instruction, so that ferrite core export enterprises and export enterprises and enterprises supporting the smooth export of products.
Arrester dedicated
ITEM
Quality
NKSBLQ2
Zinc oxide(counted by dried substances)/%≥
99
K %              ≤
0.0001
Na %             ≤
0.0001
Ferrous oxide( Fe)/ %≤
0.0020
Cd %             ≤
0.0002
Lead oxide(Pb)/%≤
0.0005
Cupric oxide(Cu)　/%≤
0.0001
Metal(Zn)/ %≤
None
Water %                            ≤
0.3
Hydrochloric indissoluble substance /%≤
0.02
Burning decrement /%≤
0.2
PH
7.0-8.0
Grain size （μm）
0.02
Sieve Residue %≤
0.10
Appearance
Yellowish powder