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          Application industry
          Contact Us
          Add: Longda Industrial Park,Gudi Street,Weifang City,China
          Tel: +86-536-7569886
          Fax: +86-536-7567369
          E-mail: longda@wflongda.com
           
          Products  

          Zinc oxide for arrester purpose

          Uses: 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.

          Standard:JB/T9670-1999

          Item
          Index
          Zinc oxide (as ZnO)%,≥
          99.7
          Potassium oxide (as K)%,≤
          0.0010
          Sodium oxide (as Na)%,≤
          0.0010
          Ferric oxide (as Fe)%,≤
          0.0020
          Cadmium oxide (as Cd)%,≤
          0.0050
          Lead oxide (as Pb)%,≤
          0.037
          Copper oxide (as Cu)%,≤
          0.0002
          Metal zinc (as Zn)%,≤
          No
          Moisture %,≤
          0.3
          Insoluble matter in HCl%,≤
          0.006
          Loss on ignition%,≤
          0.2
          PH value
          7.0-8.0
          Average size (um),≤
          0.50
          Residue on sieve%,≤
          0.10


          Copyright(C)2017 ,Weifang Longda Zinc Industry Co., Ltd. All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle
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