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            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  

              Chemical grade zinc oxide

              Uses: "Longdaxin" Chemical grade zinc oxide is widely used in the production of zinc stearate, zinc bromide, zinc borate, phosphorizing liquid, can also be used to produce electroplating solution.

              Standard:

              Item
              Index
              Model
              Top grade
              First grade
              Qualified product
              Zinc oxide (as ZnO)%,≥
              99.7
              99.5
              99.4
              Metals (as dry)%,≤
              No
              No
              0.008
              Lead oxide (as Pb)%,≤
              0.037
              0.05
              0.14
              Manganese oxide (as Mn)%,≤
              0.0001
              0.0001
              0.0003
              Copper oxide (as Cu)%,≤
              0.0002
              0.0004
              0.0007
              Insoluble matter in HCl%,≤
              0.006
              0.008
              0.05
              Loss on ignition%,≤
              0.20
              0.20
              0.20
              Residue on sieve (45um) %,≤
              0.10
              0.15
              0.20
              Water soluble matter %,≤
              0.10
              0.10
              0.15
              Volatile matter on 105oC%,≤
              0.3
              0.4
              0.5


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