Product List
ELECTRON GRADE ZINC OXIDE

NANO-ZINC OXIDE FOR VARISTORS AND CAPACITORS

Nano-zinc oxide for varistor and capacitor 
     Conductive zinc oxide is white, than the traditional series of metal lines and conductive carbon black powder with a broader range of applications. Zinc oxide 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 Zinc oxide varistor nonlinear coefficient α = 45, the critical electric field value is greater than 1000V, leakage current less than 1μA, added Zinc oxide, TiO2, MnO2, such as the ceramic powder raw materials and manufactured by the calcination of a high dielectric constant, the surface of the chip micro-smoothing body to manufacture capacitors.
Item
Quality
NKS143
NKS144
NKS145
ZnO/% ≥
99
97
95
XRD=/nm   ≤
20
52
100
Grain size （um）
20
57
100
Surface proportion (㎡/g)≥
62
65
75
Join index≤
50
60
100
Lead oxide( Pb )/%≤
0.0005
0.0005
0.0005
Manganese Oxide /% ≤
0.0001
0.0001
0.0001
Cupric oxide(Cu)/%≤
0.0001
0.0001
0.0001
Cd/%≤
0.0002
-
-
Hg/%≤
0.0001
-
-
As/%≤
0.0001
-
-
Color
Yellowish
Yellowish
White