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Zinc Oxide for Arrester Purpose

?In the electronics industry, Zinc oxide for arrester purpose is mainly used to manufacture the magnetic elements of electronic structure-Ferrite, moreover, TV radio, telecommunications installations and rheostat all adopts such magnetic materials.
?Compared with the traditional silicon carbide arrester, Zinc Oxide arrester has good protective characteristics, flow capacity, anti pollution ability, simple structure, high reliability, can provide the best protection for power transmission equipment, the power sector has been recognized.

Standard: JB/T9670-1999

 Item Index
 Zinc oxide(as Zno)%,≥ 99.7
 Potassium oxide(as K)%,≥ 0.001
 Sodium oxide(as Na)%,≥ 0.001
 Ferric oxide(as Fe)%,≥ 0.002
 Cadmium oxide(as Cd)%,≥ 0.005
 Lead oxide(as Pb)%,≥ 0.037
 Copper oxide(as Cu)%,≥ 0.0002
 Metal oxide(as Zn)%,≥ No
 Moisture%,≥ 0.3
 Insoluble matter in HCI%,≤ 0.006
 Loss on ignition%≤ 0.05
 PH value 7.0-8.0
 Average size(um) ,≤ 0.5
 Residue on sieve%,≤ 0.1

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