正规彩票购彩软件-正规购彩软件官网是最具公信力品牌,以真人视讯;电子游戏及体育赛事等百种游戏深受玩家喜爱,正规彩票购彩软件-正规购彩软件官网成为亚洲最受欢迎的线上娱乐平台.

          1. <cite id="u75yj"></cite>

            1. 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 soft magnetic ferrites

              Uses: Mainly used in the electronics industry to manufacture deflection magnetic core or other zinc magnesium ferrite magnetic cores.
              Standard: HG/T2384-1997

              Item
              Index
              Model
              First grade
              Qualified product
              Zinc oxide (as ZnO)%,≥
              99.75
              99.65
              Water soluble matter %,≤
              0.1
              0.1
              Insoluble matter in HCl%,≤
              0.005
              0.008
              Metal zinc (as Zn)%,≤
              No
              0.001
              Loss on ignition%,≤
              0.2
              0.2
              Chloride (as Cl)%,≤
              0.005
              -
              Pb %,≤
              0.03
              0.04
              Mn %,≤
              0.0001
              0.0002
              Cu %,≤
              0.0002
              0.0004
              Cd %,≤
              0.005
              0.03
              Ni %,≤
              0.1
              -
              Volatile matter on 105oC%,≤
              0.2
              0.4
              Apparent density Compactness g/ml
              Bulk density g/ml
              0.8-1.0
              0.8-1.0
              0.4-0.5
              0.4-0.5
              RResidue on sieve (45um experimental sieve) %,≤
              0.05
              0.15


              Copyright(C)2017 ,Weifang Longda Zinc Industry Co., Ltd. All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle
              正规彩票购彩软件-正规购彩软件官网

                    1. <cite id="u75yj"></cite>