Application industry
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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


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